Abstract
The aim of the present study was to assess the role of psychological factors, specifically effort, coping, and negative expectancy appraisals, in addition to executive functioning and depression, in accounting for negative symptoms broadly defined. Fifty inpatients with acute schizophrenia participated in a study with a cross-sectional design. All of the psychological variables had significant partial correlations with some of the measures of negative symptoms when depression was controlled. A series of multiple regression analyses indicated that executive functioning only made a significant unique contribution to the prediction of affective flattening, whereas psychological factors made unique contributions to the variance in each of the negative symptom subscales apart from affective flattening, as well as to the negative symptom total score, accounting for 9% to 19% of the variance. These results suggest that, in addition to neuropsychological variables, psychological variables are important for understanding negative symptoms in acute schizophrenia.
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