PSI-O Certification Exam Registration
Demonstrate your professional competence in Industrial-Organizational Psychology through the profession's independent credential. Review key testing windows, fee structures, and eligibility pathways below.
Registration & Testing Window
Registration Window
Candidate Approval
Testing Window
Submit an application between September 30, 2026, through November 6, 2026. Candidates must submit all required academic transcripts and documentation within this window.
Approved candidates sit for the PSI-O during the dedicated two-week testing center window at Prometric test center from January 16, 2027, to January 30, 2027.
Submitted applications are reviewed for degree verification or program equivalency review. Approved candidates receive test scheduling credentials.
PSI-O Eligibility Pathways
Applicants qualify for examination through one of two established eligibility routes based on graduate training or psychology respecialization.
Graduate Training in I-O Psychology
Applicants qualify if they hold a master's degree or higher in Industrial-Organizational Psychology or a recognized equivalent field. Professional experience documentation is not required for recognized fields.
Recognized fields include:
Industrial-Organizational
Industrial, Organizational
Work & Organizational
Occupational
Occupational Health
Social-Organizational
Applied I-O Psychology.
Program Equivalency Review: Candidates with alternative degree titles may request a review demonstrating a foundation in psychology, substantial I-O preparation, and scientific methodology.
Psychology Respecialization Pathway
Applicants holding a master's degree or higher in an area of psychology other than I-O may establish specialization through professional research, teaching, or practice.
Qualifying backgrounds include:
Clinical
Counseling
School
Experimental
General Applied
Educational
Social
other psychology disciplines.
Experience requirement: Document at least 2,000 hours of verified practice across at least four (4) domains of the PSI-O Content Outline across single or multiple settings.
PATHWAY 1
PATHWAY 2
Registration & Exam Investment
All candidates pay an initial application fee followed by the exam window sitting fee based on cohort selection.
$100
Registration Fee
$200
Inaugural Testing Window
$550
Standard Exam Fee
Application Processing
First 100 Candidates
Future Testing Windows
Required non-refundable fee for all applicants upon initial submission to cover credential evaluation and background verification.
Special introductory exam fee available exclusively for the first 100 candidates testing during the January 16–30 window.
Standard fee for subsequent testing windows. Active SIOP members receive a discounted rate of $500 upon membership verification.
Behind the Credential: Expert Discussion
Watch the recorded Association of Test Publishers (ATP) coffee chat where PCC President Matt Turner, Chief Strategic Advisor Mark Nagy, and workforce crediting expert Michael Clifton break down the origins and development of the PSI-O credential. The panel explores how the exam was built using national Job Task Analyses, why graduate education alone leaves a standardization gap across programs, and what the inaugural beta cohort means for the future of I-O psychology practice.
The Psychology Credential Center
Ensuring competence in Industrial- Organizational psychology.
(702) 530-8272
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