Validated self-assessment instruments for psychological, personality, and social traits.
The IPIP-NEO-PI is a 120-question public-domain adaptation of the NEO-PI-R. Measures Openness, Conscientiousness, Extraversion, Agreeableness, and Neuroticism with percentile scores.
The Minnesota Multiphasic Personality Inventory–2 (Butcher et al., 1989) is a clinical test with 567-item true/false questions. Produces normed scores, descriptions, and interpretations for the validity, clinical, and other supplementary scales.
The AQ by Baron-Cohen et al. (2001) is a 50-question instrument measuring autism-spectrum traits in adults across social skills, attention switching, attention to detail, communication, and imagination.
The Barkley Deficits in Executive Functioning Scale – Short Form is a 20-question self-report instrument measuring everyday executive functioning deficits in adults over the past 6 months, with age-adjusted scoring.
The MFQ by Graham, Haidt & Nosek (2008) is a 32-question instrument measuring the five moral foundations underlying ethical judgment: Harm, Fairness, Loyalty, Authority, and Purity.
The DAT by Olson et al. (2021) is a quick, validated measure of verbal creativity. Name 10 words as different from each other as possible.
The OCI-R by Foa et al. (2002) is an 18-question self-rating scale assessing the severity and type of obsessive-compulsive symptoms across six dimensions: Washing, Checking, Ordering, Obsessing, Hoarding, and Neutralizing.