Authors
Reinout E de Vries, Jan-Willem van Prooijen
Publication date
2019/7/1
Journal
Personality and individual differences
Volume
144
Pages
100-104
Publisher
Pergamon
Description
The recent rise in controversial politicians has garnered substantial interest in the assessment of their personality. Observer ratings of politicians' personality, however, may suffer from evaluative and value-related biases. Evaluative biases are likely to differentially affect personality ratings of preferred and non-preferred politicians, whereas value-related biases are likely to affect ratings of honesty-humility and openness to experience of preferred politicians in line with the self-based heuristic or assumed similarity effect. In a stratified sample (final N = 203) of the Dutch population, respondents/voters provided self-ratings and observer ratings of the political leaders of the seven largest political parties on the HEXACO Simplified Personality Inventory (HEXACO-SPI). Findings showed evaluative biases on honesty-humility, extraversion, conscientiousness, and openness to experience. Furthermore, observer ratings of …
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