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Delaware Psychologist — Requirements & Free Practice

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Licensed psychology associate

Master’s-level independent psychology license created by 85 Del. Laws, c. 317, effective June 24, 2026; implementation follows §25. It is distinct from a licensed psychologist and excludes the specialty assessments in §3508B(e)(2).

Licensing authority: Delaware Board of Examiners of Psychologists

Licensed psychology associate by reciprocity — approved credential bank
EPPP (Part 1-Knowledge)
Board credential description
The Board FAQ states: "There are two levels of licensure in Delaware. The Psychologist license requires a doctoral degree and experience. The registered Psychological Assistant license requires a doctoral degree and 450-hour internship but no experience." That older implementation description does not override the enacted associate and master’s-level assistant provisions.
Credential
Submit a certificate of professional qualification from a Board-approved credential bank under §3511(c), in lieu of the documentation in §3511(a) and (b); the Board may request supplemental information.
Eligibility
This statutory alternative applies only to an applicant actually able to obtain a qualifying Board-approved certificate; it does not assert that a master’s-level applicant qualifies for a doctoral-level ASPPB CPQ or National Register credential.
Exam documentation
The certificate replaces documentation of reciprocity qualifications, including the EPPP score; the EPPP remains the currently offered examination identified in the statutory route.
Statutory implementation
85 Del. Laws, c. 317 §25 takes effect on enactment (June 24, 2026), with implementation at the earlier of twelve months after enactment or the Board notice in the Register of Regulations that final implementing regulations have been adopted. This route records the enacted statutory requirements, not an assertion that a new DELPROS application type has opened.
Initial licensure as licensed psychology associate
EPPP (Part 1-Knowledge)
Application
Submit the sworn application and applicable fee; supply official supporting documents as required by the Board.
Board credential description
The Board FAQ states: "There are two levels of licensure in Delaware. The Psychologist license requires a doctoral degree and experience. The registered Psychological Assistant license requires a doctoral degree and 450-hour internship but no experience." That older implementation description does not override the enacted associate and master’s-level assistant provisions.
Criminal history
Supply fingerprints for Delaware SBI and FBI criminal-history checks; a substantially related conviction bars licensure unless the statutory waiver is granted.
Education
Master’s degree in psychology from an APA, CPA, PCSAS or equivalent Board-approved program; foreign training requires a NACES-approved equivalency evaluation.
Exam administration
The statute expressly requires the ASPPB EPPP. The Board examination page supplies the current registration process; the newly authorized credential’s implementation remains subject to §25.
Experience
At least two years of satisfactory supervised professional psychological experience after receipt of the master’s degree.
Internship
Complete an internship meeting Board rules.
Professional conduct
Disciplinary acts and unresolved complaints or disciplinary proceedings must be disclosed and resolved under Chapter 35.
Scope
Independent practice is confined to master’s-level training and excludes the doctoral specialty assessments in §3508B(e)(2).
Statutory implementation
85 Del. Laws, c. 317 §25 takes effect on enactment (June 24, 2026), with implementation at the earlier of twelve months after enactment or the Board notice in the Register of Regulations that final implementing regulations have been adopted. This route records the enacted statutory requirements, not an assertion that a new DELPROS application type has opened.
Removal from probationary status
No examination is required for this applicant pathway.
Board credential description
The Board FAQ states: "There are two levels of licensure in Delaware. The Psychologist license requires a doctoral degree and experience. The registered Psychological Assistant license requires a doctoral degree and 450-hour internship but no experience." That older implementation description does not override the enacted associate and master’s-level assistant provisions.
Board discretion
Individual corrective measures are conditions; §3518 does not identify an examination for this route.
Corrective actions
After a hearing establish prescribed corrective actions and satisfaction of all probation conditions.
Documentation
Pay applicable fees and provide Board-required documentation and any required continuing-education proof.
Statutory implementation
85 Del. Laws, c. 317 §25 takes effect on enactment (June 24, 2026), with implementation at the earlier of twelve months after enactment or the Board notice in the Register of Regulations that final implementing regulations have been adopted. This route records the enacted statutory requirements, not an assertion that a new DELPROS application type has opened.

Official no-examination sources

Effective from 2026-09-22.

Reactivation of inactive license
No examination is required for this applicant pathway.
Application
Submit the request and applicable fee; no examination is identified in §3513(e).
Board credential description
The Board FAQ states: "There are two levels of licensure in Delaware. The Psychologist license requires a doctoral degree and experience. The registered Psychological Assistant license requires a doctoral degree and 450-hour internship but no experience." That older implementation description does not override the enacted associate and master’s-level assistant provisions.
Inactive period
License placed on inactive status by written request; reentry requires written notice to the Board and completion of required continuing education.
Statutory implementation
85 Del. Laws, c. 317 §25 takes effect on enactment (June 24, 2026), with implementation at the earlier of twelve months after enactment or the Board notice in the Register of Regulations that final implementing regulations have been adopted. This route records the enacted statutory requirements, not an assertion that a new DELPROS application type has opened.

Official no-examination sources

Effective from 2026-09-22.

Licensed psychology associate by reciprocity — two years of practice
EPPP (Part 1-Knowledge)
Application
Submit the sworn application and applicable fee; supply official supporting documents as required by the Board.
Board credential description
The Board FAQ states: "There are two levels of licensure in Delaware. The Psychologist license requires a doctoral degree and experience. The registered Psychological Assistant license requires a doctoral degree and 450-hour internship but no experience." That older implementation description does not override the enacted associate and master’s-level assistant provisions.
Criminal history
Supply fingerprints for Delaware SBI and FBI criminal-history checks; a substantially related conviction bars licensure unless the statutory waiver is granted.
Education
Master’s degree in psychology or closely allied or equivalent Board-accepted training; foreign training requires a NACES-approved equivalency evaluation.
Pending proceedings
The Board obtains a certified statement from the prior licensing authority; pending proceedings or unresolved complaints must be resolved before licensure.
Prior license
Already licensed or certified as a licensed psychological associate in another jurisdiction and at least two continuous years of practice there.
Professional conduct
Disciplinary acts and unresolved complaints or disciplinary proceedings must be disclosed and resolved under Chapter 35.
Score
Evidence of a Board-accepted passing EPPP score; passage before application remains an examination leaf.
Statutory implementation
85 Del. Laws, c. 317 §25 takes effect on enactment (June 24, 2026), with implementation at the earlier of twelve months after enactment or the Board notice in the Register of Regulations that final implementing regulations have been adopted. This route records the enacted statutory requirements, not an assertion that a new DELPROS application type has opened.
Biennial renewal
No examination is required for this applicant pathway.
Application
Submit the renewal form, fee and proof or attestation of required continuing education.
Board credential description
The Board FAQ states: "There are two levels of licensure in Delaware. The Psychologist license requires a doctoral degree and experience. The registered Psychological Assistant license requires a doctoral degree and 450-hour internship but no experience." That older implementation description does not override the enacted associate and master’s-level assistant provisions.
Continuing education
Continuing education established by the Board under §3513(b); the existing doctoral license/assistant hour rules are not assigned to this new credential without implementing evidence.
Criminal history
Licensees are subject to subsequent fingerprint-based criminal background checks under §3513(d).
Statutory implementation
85 Del. Laws, c. 317 §25 takes effect on enactment (June 24, 2026), with implementation at the earlier of twelve months after enactment or the Board notice in the Register of Regulations that final implementing regulations have been adopted. This route records the enacted statutory requirements, not an assertion that a new DELPROS application type has opened.
Supervision
Registered assistants continue to require an approved supervisor and supervision reports; they do not gain independent authority by renewal.

Official no-examination sources

Effective from 2026-09-22.

Reinstatement after suspension
No examination is required for this applicant pathway.
Ability to practice
For an inability-to-practice suspension, demonstrate ability to perform essential professional functions with or without reasonable accommodation, without significant risk of substantial harm.
Board credential description
The Board FAQ states: "There are two levels of licensure in Delaware. The Psychologist license requires a doctoral degree and experience. The registered Psychological Assistant license requires a doctoral degree and 450-hour internship but no experience." That older implementation description does not override the enacted associate and master’s-level assistant provisions.
Board discretion
Any prescribed corrective measures remain applicant conditions; §3518 does not name a currently offered examination.
Corrective actions
After a hearing the Board must be satisfied that prescribed corrective actions and every suspension condition have been met.
Documentation
Pay appropriate fees and supply the documentation the Board requires; continuing-education proof may be required.
Statutory implementation
85 Del. Laws, c. 317 §25 takes effect on enactment (June 24, 2026), with implementation at the earlier of twelve months after enactment or the Board notice in the Register of Regulations that final implementing regulations have been adopted. This route records the enacted statutory requirements, not an assertion that a new DELPROS application type has opened.

Official no-examination sources

Effective from 2026-09-22.

Restoration to unrestricted practice after voluntary treatment
No examination is required for this applicant pathway.
Applicability
Applies to a regulated professional whose practice was restricted under the Voluntary Treatment Option; no independent new license identity is created.
Board credential description
The Board FAQ states: "There are two levels of licensure in Delaware. The Psychologist license requires a doctoral degree and experience. The registered Psychological Assistant license requires a doctoral degree and 450-hour internship but no experience." That older implementation description does not override the enacted associate and master’s-level assistant provisions.
Statutory implementation
85 Del. Laws, c. 317 §25 takes effect on enactment (June 24, 2026), with implementation at the earlier of twelve months after enactment or the Board notice in the Register of Regulations that final implementing regulations have been adopted. This route records the enacted statutory requirements, not an assertion that a new DELPROS application type has opened.
Treatment
Complete the approved Voluntary Treatment Option program, satisfy the treatment agreement and practice restrictions, and apply for unrestricted licensure under rule 15.9.

Official no-examination sources

Effective from 2026-09-22.

Psychologist

Doctoral-level psychologist license under Chapter 35. Board rules and Chapter 35 define issuance, reciprocity, renewal and restoration. Chapter 35A compact practice rights and the six-day exception in §3510(c) do not issue a separate Delaware Board license.

Licensing authority: Delaware Board of Examiners of Psychologists · Application information

Licensure without examination — ABPP certification
No examination is required for this applicant pathway.
Application
Submit the sworn application and applicable fee; supply official supporting documents as required by the Board.
Board certification
Applicant is certified by the American Board of Professional Psychology (an ABPP Diplomate). All other applicable licensure requirements remain.
Criminal history
Supply fingerprints for Delaware SBI and FBI criminal-history checks; a substantially related conviction bars licensure unless the statutory waiver is granted.
Examination waiver
Section 3510(b) and rule 5.2.3 explicitly require licensure without examination.
Professional conduct
Disciplinary acts and unresolved complaints or disciplinary proceedings must be disclosed and resolved under Chapter 35.

Official no-examination sources

Effective from 2026-09-22.

Licensure for full time doctoral clinical training faculty
EPPP (Part 1-Knowledge)
Application
Submit the sworn application and applicable fee; supply official supporting documents as required by the Board.
Application time
The Board page states the examination application is valid for two years; rule 5.1.5 states twelve months to complete the application. The rule governs, and the applicant should also note the Board’s published two-year instruction.
Criminal history
Supply fingerprints for Delaware SBI and FBI criminal-history checks; a substantially related conviction bars licensure unless the statutory waiver is granted.
Education
Doctoral degree in a psychological program meeting §3508(a)(1); APA, CPA, PCSAS or equivalent Board-approved program, with a NACES-approved equivalency evaluation for degrees from outside the United States or its territories.
Experience
At least one year of satisfactory postdoctoral supervised psychological work. Rule 7.3 requires 1,500 hours over one to three calendar years, at least 25% direct service and the prescribed supervision. Registration as a psychological assistant is required before accruing these hours in Delaware.
Faculty employment
Full-time faculty in a nationally accredited doctoral clinical-training program in Delaware. Rule 14 requires Board notification within thirty days, a completed doctoral degree, supervised experience and active pursuit of licensure within six years.
Internship
Complete the required predoctoral internship under the Board rules. Rule 7.2 specifies at least 1,500 hours, over 48–104 weeks, with its clinical-service and patient-contact allocations.
Professional conduct
Disciplinary acts and unresolved complaints or disciplinary proceedings must be disclosed and resolved under Chapter 35.
Score currency
The Board examination application page says a score over five years old requires retesting, a score less than five years old does not, and an ABPP diploma excuses retesting. Rule 5.1.3 expressly applies the five-year passing-score limit to applicants not licensed in another state; these are applicant conditions on the EPPP leaf.
Statutory limit
The current §3531(e) is repealed. Rule 14 still refers to an older faculty exemption, so this route carries the ordinary license’s EPPP and does not assert an independent current exemption from licensure.
Licensure by examination
EPPP (Part 1-Knowledge)
Applicant category
Not currently licensed in another United States jurisdiction.
Application
Submit the sworn application and applicable fee; supply official supporting documents as required by the Board.
Application time
The Board page states the examination application is valid for two years; rule 5.1.5 states twelve months to complete the application. The rule governs, and the applicant should also note the Board’s published two-year instruction.
Criminal history
Supply fingerprints for Delaware SBI and FBI criminal-history checks; a substantially related conviction bars licensure unless the statutory waiver is granted.
Education
Doctoral degree in a psychological program meeting §3508(a)(1); APA, CPA, PCSAS or equivalent Board-approved program, with a NACES-approved equivalency evaluation for degrees from outside the United States or its territories.
Experience
At least one year of satisfactory postdoctoral supervised psychological work. Rule 7.3 requires 1,500 hours over one to three calendar years, at least 25% direct service and the prescribed supervision. Registration as a psychological assistant is required before accruing these hours in Delaware.
Internship
Complete the required predoctoral internship under the Board rules. Rule 7.2 specifies at least 1,500 hours, over 48–104 weeks, with its clinical-service and patient-contact allocations.
Professional conduct
Disciplinary acts and unresolved complaints or disciplinary proceedings must be disclosed and resolved under Chapter 35.
Score currency
The Board examination application page says a score over five years old requires retesting, a score less than five years old does not, and an ABPP diploma excuses retesting. Rule 5.1.3 expressly applies the five-year passing-score limit to applicants not licensed in another state; these are applicant conditions on the EPPP leaf.
Licensure by examination — Licensed elsewhere but lacking two years of continuous practice, a CPQ and National Register credentials.
EPPP (Part 1-Knowledge)
Applicant category
Licensed elsewhere but lacking two years of continuous practice, a CPQ and National Register credentials.
Application
Submit the sworn application and applicable fee; supply official supporting documents as required by the Board.
Application time
The Board page states the examination application is valid for two years; rule 5.1.5 states twelve months to complete the application. The rule governs, and the applicant should also note the Board’s published two-year instruction.
Criminal history
Supply fingerprints for Delaware SBI and FBI criminal-history checks; a substantially related conviction bars licensure unless the statutory waiver is granted.
Education
Doctoral degree in a psychological program meeting §3508(a)(1); APA, CPA, PCSAS or equivalent Board-approved program, with a NACES-approved equivalency evaluation for degrees from outside the United States or its territories.
Experience
At least one year of satisfactory postdoctoral supervised psychological work. Rule 7.3 requires 1,500 hours over one to three calendar years, at least 25% direct service and the prescribed supervision. Registration as a psychological assistant is required before accruing these hours in Delaware.
Internship
Complete the required predoctoral internship under the Board rules. Rule 7.2 specifies at least 1,500 hours, over 48–104 weeks, with its clinical-service and patient-contact allocations.
Professional conduct
Disciplinary acts and unresolved complaints or disciplinary proceedings must be disclosed and resolved under Chapter 35.
Score currency
The Board examination application page says a score over five years old requires retesting, a score less than five years old does not, and an ABPP diploma excuses retesting. Rule 5.1.3 expressly applies the five-year passing-score limit to applicants not licensed in another state; these are applicant conditions on the EPPP leaf.
New application after license termination
EPPP (Part 1-Knowledge)
Application
Submit the sworn application and applicable fee; supply official supporting documents as required by the Board.
Application time
The Board page states the examination application is valid for two years; rule 5.1.5 states twelve months to complete the application. The rule governs, and the applicant should also note the Board’s published two-year instruction.
Criminal history
Supply fingerprints for Delaware SBI and FBI criminal-history checks; a substantially related conviction bars licensure unless the statutory waiver is granted.
Education
Doctoral degree in a psychological program meeting §3508(a)(1); APA, CPA, PCSAS or equivalent Board-approved program, with a NACES-approved equivalency evaluation for degrees from outside the United States or its territories.
Experience
At least one year of satisfactory postdoctoral supervised psychological work. Rule 7.3 requires 1,500 hours over one to three calendar years, at least 25% direct service and the prescribed supervision. Registration as a psychological assistant is required before accruing these hours in Delaware.
Internship
Complete the required predoctoral internship under the Board rules. Rule 7.2 specifies at least 1,500 hours, over 48–104 weeks, with its clinical-service and patient-contact allocations.
Professional conduct
Disciplinary acts and unresolved complaints or disciplinary proceedings must be disclosed and resolved under Chapter 35.
Score currency
The Board examination application page says a score over five years old requires retesting, a score less than five years old does not, and an ABPP diploma excuses retesting. Rule 5.1.3 expressly applies the five-year passing-score limit to applicants not licensed in another state; these are applicant conditions on the EPPP leaf.
Termination
The Board renewal page requires application as a new applicant after failure to renew within one month after expiration.
Late renewal before termination
No examination is required for this applicant pathway.
Practice
Do not practice until renewal actually restores active status; the late period is not a grace period.
Renewal
Complete renewal and CE requirements and pay the late fee within one month after July 31 expiration, through August 31 of the same odd year.
Termination
After the late period the credential terminates; the Board requires a new application.

Official no-examination sources

Effective from 2026-09-22.

Removal from probationary status
No examination is required for this applicant pathway.
Board discretion
Individual corrective measures are conditions; §3518 does not identify an examination for this route.
Corrective actions
After a hearing establish prescribed corrective actions and satisfaction of all probation conditions.
Documentation
Pay applicable fees and provide Board-required documentation and any required continuing-education proof.

Official no-examination sources

Effective from 2026-09-22.

Reactivation of inactive license
No examination is required for this applicant pathway.
Application
Submit reactivation letter/service request and prorated reactivation fee.
Continuing education
Inactive for one year or less: 20 CE hours; more than one year: 40 CE hours completed within the preceding 24 months. Both require 3 ethics and 3 cultural inclusion, equity and diversity hours.
Inactive limit
Inactive status may not exceed five years and is no longer renewable as of December 11, 2024.
Inactive period
License placed on inactive status by written request; reentry requires written notice to the Board and completion of required continuing education.

Official no-examination sources

Effective from 2026-09-22.

Biennial renewal
No examination is required for this applicant pathway.
Application
Submit the renewal form, fee and proof or attestation of required continuing education.
Continuing education
40 continuing-education hours per biennium, including 3 ethics and 3 cultural inclusion, equity and diversity hours, with the prescribed live instruction and new-license prorations.
Criminal history
Licensees are subject to subsequent fingerprint-based criminal background checks under §3513(d).
Supervision
Registered assistants continue to require an approved supervisor and supervision reports; they do not gain independent authority by renewal.

Official no-examination sources

Effective from 2026-09-22.

Reinstatement after suspension
No examination is required for this applicant pathway.
Ability to practice
For an inability-to-practice suspension, demonstrate ability to perform essential professional functions with or without reasonable accommodation, without significant risk of substantial harm.
Board discretion
Any prescribed corrective measures remain applicant conditions; §3518 does not name a currently offered examination.
Corrective actions
After a hearing the Board must be satisfied that prescribed corrective actions and every suspension condition have been met.
Documentation
Pay appropriate fees and supply the documentation the Board requires; continuing-education proof may be required.

Official no-examination sources

Effective from 2026-09-22.

Restoration to unrestricted practice after voluntary treatment
No examination is required for this applicant pathway.
Applicability
Applies to a regulated professional whose practice was restricted under the Voluntary Treatment Option; no independent new license identity is created.
Treatment
Complete the approved Voluntary Treatment Option program, satisfy the treatment agreement and practice restrictions, and apply for unrestricted licensure under rule 15.9.

Official no-examination sources

Effective from 2026-09-22.

Licensure by reciprocity — Current ASPPB Certificate of Professional Qualification in Psychology (CPQ)
EPPP (Part 1-Knowledge)
Application
Apply through DELPROS and pay the applicable fee.
Credential
Current ASPPB Certificate of Professional Qualification in Psychology (CPQ). Submit verification and the Board’s brief application.
Documentation substitution
Section 3511(c) substitutes a Board-approved credential-bank certificate for the documentation under subsections (a) and (b); rule 5.2.2 and the Board page implement CPQ or National Register eligibility. The Board may request supplemental information. The EPPP leaf retains the currently offered examination underlying the statutory reciprocity qualification; the credential substitutes its documentation and does not require a fresh sitting.
Prior license
Hold a current psychologist license in another jurisdiction.
Licensure by reciprocity — Current National Register of Health Service Providers in Psychology credential
EPPP (Part 1-Knowledge)
Application
Apply through DELPROS and pay the applicable fee.
Credential
Current National Register of Health Service Providers in Psychology credential. Submit verification and the Board’s brief application.
Documentation substitution
Section 3511(c) substitutes a Board-approved credential-bank certificate for the documentation under subsections (a) and (b); rule 5.2.2 and the Board page implement CPQ or National Register eligibility. The Board may request supplemental information. The EPPP leaf retains the currently offered examination underlying the statutory reciprocity qualification; the credential substitutes its documentation and does not require a fresh sitting.
Prior license
Hold a current psychologist license in another jurisdiction.
Licensure by reciprocity — two years of practice
EPPP (Part 1-Knowledge)
Application
Submit the sworn application and applicable fee; supply official supporting documents as required by the Board.
Criminal history
Supply fingerprints for Delaware SBI and FBI criminal-history checks; a substantially related conviction bars licensure unless the statutory waiver is granted.
Education
Doctoral psychology degree or Board-accepted closely allied or equivalent doctoral training; foreign training requires a NACES-approved evaluation.
Prior license
Current license or certification in another jurisdiction and at least two continuous years of practice there, in good standing.
Professional conduct
Disciplinary acts and unresolved complaints or disciplinary proceedings must be disclosed and resolved under Chapter 35.
Score
Provide the EPPP passing score accepted by the Board; rule 5.2.1.3 accepts the ASPPB score for the administration, or for examinations before 1992 the lower applicable ASPPB or Delaware score.
Verification
Direct verification from every jurisdiction where licensed, certified or registered; pending disciplinary matters must be resolved.
Licensure by examination — Registered psychological assistant seeking upgrade after completion of supervised postdoctoral hours.
EPPP (Part 1-Knowledge)
Applicant category
Registered psychological assistant seeking upgrade after completion of supervised postdoctoral hours.
Application
Submit the sworn application and applicable fee; supply official supporting documents as required by the Board.
Application time
The Board page states the examination application is valid for two years; rule 5.1.5 states twelve months to complete the application. The rule governs, and the applicant should also note the Board’s published two-year instruction.
Criminal history
Supply fingerprints for Delaware SBI and FBI criminal-history checks; a substantially related conviction bars licensure unless the statutory waiver is granted.
Education
Doctoral degree in a psychological program meeting §3508(a)(1); APA, CPA, PCSAS or equivalent Board-approved program, with a NACES-approved equivalency evaluation for degrees from outside the United States or its territories.
Experience
At least one year of satisfactory postdoctoral supervised psychological work. Rule 7.3 requires 1,500 hours over one to three calendar years, at least 25% direct service and the prescribed supervision. Registration as a psychological assistant is required before accruing these hours in Delaware.
Internship
Complete the required predoctoral internship under the Board rules. Rule 7.2 specifies at least 1,500 hours, over 48–104 weeks, with its clinical-service and patient-contact allocations.
Professional conduct
Disciplinary acts and unresolved complaints or disciplinary proceedings must be disclosed and resolved under Chapter 35.
Score currency
The Board examination application page says a score over five years old requires retesting, a score less than five years old does not, and an ABPP diploma excuses retesting. Rule 5.1.3 expressly applies the five-year passing-score limit to applicants not licensed in another state; these are applicant conditions on the EPPP leaf.

EPPP (Part 1-Knowledge)

Provider
Association of State and Provincial Psychology Boards (ASPPB); delivered by Pearson VUE at Pearson Professional Centers
Format
Computer-based multiple-choice examination; each item has three or four possible responses, only one of which is correct; the score is the number of correct responses. A French form (FEPPP) is available only to candidates whose licensing authorities legally require a French form.
Exam questions
225 items: 175 scored and 50 unscored pretest items
Time limit
4 hours and 15 minutes for completion of the exam items
Passing score
Scaled score (200-800 scale); ASPPB recommended passing scores of 500 for independent practice and 450 for supervised practice; each licensing authority sets its own passing standard
Exam fee
$600 USD exam fee per sitting plus $91.88 test sitting fee (English EPPP (Part 1-Knowledge))
Examination outline
  • Domain 1. Biological Bases of Behavior (10%)
    • KN1. Functional correlates and determinants of the neurobiological and genetic bases of behavior pertaining to perception, cognition, personality, and mood and affect in normal, acute and chronic neurobehavioral disease processes and disease comorbidities
    • KN2. Drug classification, mechanisms of action, and desired/adverse effects of therapeutic agents, drugs of abuse, and complementary or alternative agents
    • KN3. Results from major trials and general guidelines for pharmacological, psychotherapeutic, and combined treatment of psychological disorders
    • KN4. Behavioral genetics, transmission and expression of genetic information and its modification, and the role and limitations of this information in understanding disorders
    • KN5. Applications of structural and functional brain imaging methods, electrophysiological methods, therapeutic drug monitoring methods, and genetic screening methodologies, and the evidence for their effectiveness
  • Domain 2. Cognitive-Affective Bases of Behavior (13%)
    • KN6. Major research‐based theories and models of intelligence and their application
    • KN7. Major research-based theories, models, and principles of learning and their application
    • KN8. Major research‐based theories and models of memory and their application
    • KN9. Major research‐based theories and models of motivation and their application
    • KN10. Major research-based theories and models of emotion and their application
    • KN11. Elements of cognition, including sensation and perception, attention, language, information processing, visual-spatial processing, executive functioning
    • KN12. Relations among cognitions/beliefs, behavior, affect, temperament, and mood
    • KN13. Influence of psychosocial factors on cognitions/beliefs and behaviors
  • Domain 3. Social and Cultural Bases of Behavior (11%)
    • KN14. Major research‐based theories and models of social cognition (e.g., person perception, development of stereotypes, prejudice)
    • KN15. Social interaction and relationships (e.g., attraction, aggression, altruism, organizational justice, verbal and non‐verbal communication, internet communication, mate selection, empathy)
    • KN16. Group and systems processes (e.g., school, work, and family systems, job satisfaction, team functioning, conformity, persuasion) and social influences on functioning
    • KN17. Major research‐based personality theories and models
    • KN18. Cultural and sociopolitical psychology (e.g., privilege, cross‐cultural comparisons, political differences, international and global awareness, religiosity and spirituality, acculturation)
    • KN19. Identity diversity and intersectionality (e.g., psychological impact of diversity on individuals, families, and systems)
    • KN20. Causes, manifestations, and effects of oppression
  • Domain 4. Growth and Lifespan Development (12%)
    • KN21. Normal growth and development across the lifespan
    • KN22. Influence of individual‐environment interaction on development over time (e.g., the relationship between the individual and the social, academic, work, community environment)
    • KN23. Major research‐based theories and models of development
    • KN24. Influence of diverse identities on development
    • KN25. Family development, configuration, and functioning and their impact on the individual across the lifespan
    • KN26. Life events that can influence the course of development across the lifespan
    • KN27. Risk and protective factors that may impact a developmental course (e.g., nutrition, prenatal care, health care, social support, socioeconomic status, abuse, victimization, and resiliency)
    • KN28. Disorders and diseases that impact the expected course of development over the lifespan
  • Domain 5. Assessment and Diagnosis (16%)
    • KN29. Psychometric theories, item and test characteristics, test construction and standardization procedures, reliability and validity, sensitivity and specificity, and test fairness and bias
    • KN30. Assessment theories and models (e.g., developmental, behavioral, ecological, neuropsychological)
    • KN31. Assessment methods and their strengths and limitations (e.g., self‐report, multi-informant reports, psychophysiological measures, work samples, assessment centers, direct observation, structured and semi‐structured interviews)
    • KN32. Commonly used instruments for the measurement of characteristics and behaviors of individuals and their appropriate use with various populations
    • KN33. Issues of differential diagnosis and integration of non‐psychological information into psychological assessment
    • KN34. Instruments and methods appropriate for the assessment of groups and organizations (e.g., program evaluation, needs assessment, organizational and personnel assessment)
    • KN35. Criteria for selection and adaptation of assessment methods (e.g., evidenced-based knowledge of assessment limitations, cultural appropriateness, trans‐cultural adaptation, and language accommodations)
    • KN36. Classification systems and their underlying rationales and limitations for evaluating client functioning; dimensional vs. categorical approaches to diagnosis
    • KN37. Factors influencing evidence-based interpretation of data and decision‐making (e.g., base rates, group differences, cultural biases and differences, heuristics)
    • KN38. Constructs of epidemiology and base rates of psychological and behavioral disorders
    • KN39. Major research-based theories and models of psychopathology
    • KN40. Measurement of outcomes and changes due to prevention or intervention efforts with individuals, couples, families, groups, and organizations
    • KN41. Use of technology in implementing tests, surveys, and other forms of assessment and diagnostic evaluation (e.g., validity, cost-effectiveness, consumer acceptability)
  • Domain 6. Treatment, Intervention, and Prevention and Supervision (15%)
    • KN42. Factors related to treatment or intervention decision-making (e.g., relevant research, matching treatment to assessment/diagnosis, matching client or patient with psychologist characteristics, knowledge and use of allied services, cost and benefit, readiness to change)
    • KN43. Contemporary research-based theories and models of treatment, intervention, and prevention
    • KN44. Treatment techniques and interventions and the evidence for their comparative efficacy and effectiveness
    • KN45. Methods and their evidence base for prevention, intervention, and rehabilitation with diverse and special populations
    • KN46. Interventions to enhance growth and performance of individuals, couples, families, groups, systems, and organizations
    • KN47. Research-based consultation models and processes
    • KN48. Research-based models of vocational and career development
    • KN49. Telepsychology and technology‐assisted psychological services
    • KN50. Healthcare systems, structures, and economics, and how these impact intervention choice
    • KN51. Approaches to health promotion, risk reduction, resilience, and wellness
    • KN52. Contemporary theories and models of supervision and their evidence base
  • Domain 7. Research Methods and Statistics (7%)
    • KN53. Sampling and data collection methods
    • KN54. Design of case, correlational, quasi‐experimental, and experimental studies
    • KN55. Analytic methods, including qualitative (e.g., thematic, phenomenological) and quantitative (e.g., probability theory; descriptive, inferential, and parametric statistics; meta-analysis; factor analysis; causal modeling)
    • KN56. Statistical interpretation (e.g., power, effect size, causation vs. association, clinical vs. statistical significance)
    • KN57. Critical appraisal and application of research findings (e.g., adequacy of design and statistics, limitations to generalizability, threats to internal and external validity, design flaws, level of evidence)
    • KN58. Evaluation strategies and techniques (e.g., needs assessment, process and implementation evaluation, formative and summative program evaluation, outcome evaluation, cost‐benefit analysis)
    • KN59. Considerations regarding community involvement and participation in research
    • KN60. Dissemination and presentation of research findings
  • Domain 8. Ethical/Legal/Professional Issues (16%)
    • KN61. Current ethical principles and codes for psychologists (APA, CPA)
    • KN62. Professional standards and relevant guidelines for the practice of psychology (e.g., standards for educational and psychological testing)
    • KN63. Laws, statutes, and judicial decisions that affect psychological practice
    • KN64. Identification and management of potential ethical issues
    • KN65. Models of ethical decision‐making
    • KN66. Approaches for continuing professional development
    • KN67. Emerging social, legal, ethical, and policy issues and their impact on psychological practice
    • KN68. Client and patient rights
    • KN69. Ethical issues in the conduct of research
    • KN70. Ethical issues in supervision
    • KN71. Ethical issues in technology-assisted psychological services
Examination sources