Comparing Executive Performance and Working Memory in Individuals with Low and High Schizotypal Personality Traits

Solmaz Bahari, Abbas Bakhshi Pour

Abstract


This study was aimed to compare the executive performance and working memory in individuals with low and high schizotypal personality traits. The research method of this study was causative-comparative. The statistical population included all undergraduate students studying in 1393-1394 academic year at Urmia universities. The sampling method of this study was multi-stage random that a sample size of 3000 were chosen out of statistical population. These people were screened with SPQ questionnaire. This study included 400 junior undergraduate students from 2014 to 2015 with schizotypal personality structure that half of them have high schizotypal personality structure and the other half have schizotypal personality structure. In each group, there were 200 girls and 200 boys that out of this 200-individual group, 100 girls have high schizotypal personality structure and 100 girls have low schizotypal personality structure. To collect information, schizotypal personality questionnaire, Wisconsin card sorting test, Stroop word- color test, Wechsler Digit Span test, and step by step listening sequence were used. Hypotheses were analyzed by using inferential statistics as independent t-test and multivariate variance analysis. The results indicated that students with high schizotypal personality structure have weaker executive performance and working memory than students with low schizotypal personality structure. Also, the results indicated that students with high schizotypal personality structure have weaker attention than students with low schizotypal. The findings of research indicated that students with high schizotypal personality structure have weaker working memory than students with low schizotypal personality structure, In addition, women with high and low schizotypal personality structure have lower working memory and men with high and low schizotypal personality structure have higher Working memory respectively.


Keywords


executive performance, working memory, schizotypal personality, attention.

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