期刊
JOURNAL OF RESEARCH IN PERSONALITY
卷 97, 期 -, 页码 -出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jrp.2022.104201
关键词
Basic psychological needs; Self-Determination Theory; Personality Traits; Five-factor model; Behavior Genetics; Heritability; Twin study
资金
- University of Zagreb, Croatia
Self-determination theory suggests that the basic psychological needs of autonomy, competence, and relatedness drive our motivation. This study found that these needs have a significant heritability and are correlated with personality traits, with common genetic effects being the main reason for their overlap.
Self-determination theory postulates that three basic psychological needs - need for autonomy, competence, and relatedness - drive our motivation. However, little is known about the sources of individual differences in basic psychological needs, and about its shared etiology with personality. Self-report data on basic psychological needs and five-factor personality traits were collected in a sample of 668 Croatian twins. Results indicate substantial heritability of basic psychological needs, while environmental influences were non-shared by family members. Three psychological needs substantially correlated with extraversion and neuroticism, and some need- specific overlaps were found with conscientiousness, openness, and agreeableness. Phenotypic overlap of the basic psychological needs with personality was mainly due to the common genetic effects, while their environmental influences were largely independent.
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