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 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 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 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.
