O
Oliver P. John
Researcher at University of California, Berkeley
Publications - 184
Citations - 67225
Oliver P. John is an academic researcher from University of California, Berkeley. The author has contributed to research in topics: Personality & Big Five personality traits. The author has an hindex of 82, co-authored 176 publications receiving 60199 citations. Previous affiliations of Oliver P. John include Bielefeld University & University of Oregon.
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Does ego development increase during midlife? The effects of openness and accommodative processing of difficult events.
TL;DR: These findings counter prior claims that ego level remains stable during adulthood and contribute to the understanding of the underlying processes involved in personality growth in midlife.
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Surviving Two Critiques by Block? The Resilient Big Five Have Emerged as the Paradigm for Personality Trait Psychology
Oliver P. John,Laura P. Naumann +1 more
TL;DR: In a career spanning more than 50 years, Jack Block has made numerous important contributions, especially in the fields of personality assessment, development, and structure as discussed by the authors, and also spent a sur...
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Optimizing the length, width, and balance of a personality scale: How do internal characteristics affect external validity?
TL;DR: Examination of how external validity is influenced by a trait scale’s internal characteristics, such as its length, width, and balance, finds that broad trait scales tend to have slightly stronger, and much more consistent, associations with external validity criteria than do narrow scales.
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Slovak adaptation of the big five inventory (bfi-2): psychometric properties and initial validation
TL;DR: In this paper, the authors describe the process of adaptation of the Big Five Inventory 2 into the Slovak language and cultural context, and present a psychometric analysis of the BFI-2 and its hierarchical structure using exploratory and confirmatory factor analysis.
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Anchoring Vignettes: Can They Make Adolescent Self-Reports of Social-Emotional Skills More Reliable, Discriminant, and Criterion-Valid?
TL;DR: In this paper, the authors compared traditional self-report scores with vignette-corrected scores in terms of reliability (internal consistency), discriminant validity (scale intercorrelations), and criterion validity (predicting achievement test scores in language and math).