The Positive and Negative Affect Schedule (PANAS) is a self-report questionnaire that consists of two 10-item scales to measure both positive and negative affect. Each item is rated on a 5-point scale of 1 (not at all) to 5 (very much). The measure has been used mainly as a research tool in group studies, but can be utilized within clinical and non-clinical populations as well.[1] Shortened, elongated, and children's versions of the PANAS have been developed, taking approximately 5–10 minutes to complete.[2] Clinical and non-clinical studies have found the PANAS to be a reliable and valid instrument in the assessment of positive and negative affect.[3]
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^Watson, David; Clark, Lee A.; Tellegen, Auke (1988). "Development and validation of brief measures of positive and negative affect: The PANAS scales". Journal of Personality and Social Psychology. 54 (6): 1063–1070. doi:10.1037/0022-3514.54.6.1063. PMID3397865. S2CID7679194.