Factor Structure, Convergent, and Divergent Validity of the Prodromal Questionnaire–Negative Symptom Subscale
| Autor: | Shanna Cooper, Seth D. Maxwell, Thomas M. Olino, Lauren M. Ellman, Katherine Pierce |
|---|---|
| Rok vydání: | 2020 |
| Předmět: |
Psychosis
Psychometrics media_common.quotation_subject Prodromal Symptoms Article Pleasure 03 medical and health sciences 0302 clinical medicine Surveys and Questionnaires medicine Humans Applied Psychology media_common Discriminant validity Reproducibility of Results Anhedonia medicine.disease Exploratory factor analysis 030227 psychiatry Clinical Psychology Psychotic Disorders Convergent validity Anxiety medicine.symptom Psychology 030217 neurology & neurosurgery Clinical psychology Psychopathology |
| Zdroj: | Assessment |
| ISSN: | 1552-3489 1073-1911 |
| DOI: | 10.1177/1073191119899981 |
| Popis: | Negative symptoms such as anhedonia are associated with psychosis risk and poorer outcomes. The Prodromal Questionnaire (PQ) is a self-report questionnaire used to screen for psychosis spectrum symptoms. However, the convergent and divergent validity and underlying factor structure of the PQ–negative symptom subscale (PQ-N) have yet to be examined. Undergraduates ( N = 1,556) completed the PQ, Temporal Experience of Pleasure Scale, and measures assessing anxiety, depression, and motivation. An exploratory factor analysis conducted on the PQ-N yielded a two-factor solution, reflecting subdimensions of social expression and dissociative–depressive experiences, contrary to previous research examining the factor structure of negative symptoms. Associations between the PQ-N, its two factors, and measures of negative symptoms and other psychopathology were examined. Results indicated that the PQ-N and its factors were more strongly correlated with measures of depression and anxiety than with measures of negative symptoms relating to motivation and pleasure, suggesting poor convergent and divergent validity. |
| Databáze: | OpenAIRE |
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