Ερωτηματολόγιο Ανήσυχων Σκέψεων του Penn State [PSWQ-16]

Questionnaire-Description

The Penn State Worry Questionnaire – 2 (PSWQ-2) is a scale designed to assess worry. It is a brief version of the original Penn State Worry Questionnaire (PSWQ), consisting of only two items. This scale has been developed to provide a quick and effective method for measuring general worry, incorporating key aspects of the original tool but in a reduced format.

Data Analysis and Usage

Data Analysis:
Items: The PSWQ-2 consists of two items that assess a person’s general worry. Responses are typically rated on a Likert scale, from 1 (not at all characteristic) to 5 (very characteristic).
Total Score: The total score is calculated by summing the responses, and possibly computing an average if required.
Statistical Analysis: Reliability and validity of the scale are evaluated through internal consistency (e.g., Cronbach’s alpha) and other psychometric techniques.
Data Usage:
Diagnostic Applications: The scale can be used to assess general worry in clinical and research settings.
Intervention Assessment: It is used to monitor the effectiveness of interventions aimed at reducing worry.

Purpose

The main objective of the PSWQ-2 is to provide a brief yet effective method for assessing general worry. It is designed for use in clinical and research settings where a quick evaluation of worry is needed without the requirement of a more extensive tool.

Calibration

Calibration of the PSWQ-2 involves assessing the scale’s reliability and validity. Key elements include:
Reliability: Internal consistency (e.g., Cronbach’s alpha) and test-retest reliability.
Validity: Comparison with other worry scales and clinical relevance.

References

Meyer, T. J., Miller, M. L., Metzger, R. L., & Borkovec, T. D. (1990). The Penn State Worry Questionnaire: Psychometric properties and associated characteristics. Psychological Assessment, 2(2), 128-138.
Sullivan, G., & O’Connor, D. (2011). Validation of the Penn State Worry Questionnaire – 2 (PSWQ-2) as a brief measure of worry. Cognitive Therapy and Research, 35(1), 32-44.
Brown, T. A., & Barlow, D. H. (2009). Assessment and treatment of generalized anxiety disorder. Clinical Psychology Review, 29(3), 267-280.