The SAPA Project
a personality assessment collaboratory
The Personality of U.S. States: Stability from 1999 to 2015.
The SAPA Personality Inventory: An empirically-derived, hierarchically-organized self-report personality assessment model.
Web and phone based data collection using planned missing designs
Time to Move Beyond the Big Five?
Selected ICAR Data from the SAPA-Project: Development and Initial Validation of a Public-Domain Measure.
On the structure of phrased self-report items.
Sense of direction: General factor saturation and associations with the Big-Five traits.
The roles of time and change in situations.
A model for personality at three levels
A Comparison of Human Narrative Coding of Redemption and Automated Linguistic Analysis for Understanding Life Stories
Selected ICAR data from the SAPA-Project: 18Aug2010 to 20May2013. [97,000 participant data file and codebook]
Selected personality data from the SAPA-Project: 08Dec2013 to 26Jul2014. [24,000 participant data file and codebook]
DISSERTATION: An Organizational Framework for the Psychological Individual Differences: Integrating the Affective, Cognitive, and Conative Domains
Do Dimensional Psychopathology Measures Relate to Creative Achievement or Divergent Thinking?
Development and Validation of the Comprehensive Health Activities Scale: A New Approach to Health Literacy Measurement
The International Cognitive Ability Resource: Development and initial validation of a public-domain measure
Fundamental Questions in Personality
Scale Issues in Causality
Telemetrics: Collecting Data at a Distance
Individual Differences and Differential Psychology: A Brief History and Prospect
Methodological Advances in Diﬀerential Psychology
Levels of Personality
Correlations between the IPIP100 and ICAR scales in a large online sample
Estimating Ability for Two Samples
Thoughts About Displaying Data
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