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Research Instrument
Cognitive & Attention // PSI20 Open Access

Prefrontal Symptoms Inventory (PSI-20)

20-item scale measuring everyday symptoms associated with prefrontal cortex dysfunction: initiation, attention, planning, and emotional/social regulation.

Estimated Time
~5 mins
Instrument Scale
Standardized Items
Administration
Self-Administered
Scoring Engine
Automated Real-Time

Scale Overview & Construct

20-item scale measuring everyday symptoms associated with prefrontal cortex dysfunction: initiation, attention, planning, and emotional/social regulation.

Psychometric Instrument Likert Self-Report Dimensional Breakdown Server-Side Validated

Purpose & Measurement Objectives

20-item scale measuring everyday symptoms associated with prefrontal cortex dysfunction: initiation, attention, planning, and emotional/social regulation. Based on your answers to its 20 items, you'll get a single overall score showing how strongly this pattern applies to you right now. Your result gives you a clearer picture of this particular thinking style or tendency, and how consistently it shows up for you.

Instrument Specifications

Target Population
Teachers, Educators & Faculty
Administration Format
Self-Administered
Intended Domain / Purpose
Research & Empirical Study
Recommended Age Bracket
Adults (18+ yrs)
Duration & Pacing
5 Minutes (Self-Paced)
Access License
Open Creative Commons

Academic Citation & Instrument Provenance

When referencing this instrument in research, academic theses, or clinical institutional audits, please cite the original author publication:

License: CC BY 4.0. Citation: Sosa, Pedrero-Perez & Ruiz-Sanchez de Leon (2025), Journal of Neuropsychology, 19(2), 200-215. This is not a diagnostic tool.

Governance, Boundaries & Ethical Use

Construct Boundaries & Interpretive Limitations

Imported from the OpenScales open item-bank project. This specific digital implementation has not been independently validated by PsiQ — scores are for self-reflection and educational purposes only, and are not a diagnosis.

License: CC BY 4.0. Citation: Sosa, Pedrero-Perez & Ruiz-Sanchez de Leon (2025), Journal of Neuropsychology, 19(2), 200-215. This is not a diagnostic tool.

Free
Open Psychometric Access
OPEN ACCESS
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  • Immediate server-side scoring and dimensional profile
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Identifier PSI20
Category Cognitive & Attention
Scale Standard Standardized
License Status CC BY 4.0 Open Scale
PsiQ Psychometric ID #134
Prefrontal Symptoms Inventory (PSI-20)
Free Open Access
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