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Positive and Negative Affect Schedule

PANAS
psychologysocial sciencesFree for research use

A 20-item mood scale with two 10-item subscales, Positive Affect and Negative Affect, rated for a specified time frame (e.g., "right now," "past week").

Items
20
Response format
5-point intensity scale
Version
1.0
Subscales
2

Ready-to-cite methods sentence

Affect was measured with the PANAS (Watson, Clark, & Tellegen, 1988), whose Positive and Negative Affect subscales (10 items each) show strong internal consistency (α ≈ .87-.88).

Citing this in a methods section? See the APA 7 guide — Author–date citations for psychology and the social sciences. Or compare all six citation styles.

Reliability & validation

Validation population
College students (Watson et al., 1988)
Cronbach's α
0.87–0.88

Subscales

Positive Affect (PA)Negative Affect (NA)

Response anchors

Very slightly or not at all · A little · Moderately · Quite a bit · Extremely

Known limitations

Captures high-arousal affect and under-represents low-arousal states (e.g., calm, sad); the two broad subscales are not intended as a full emotion taxonomy.

Original citation

Watson, D., Clark, L. A., Tellegen, A. (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.

https://doi.org/10.1037/0022-3514.54.6.1063

Questions researchers ask

What does the PANAS measure?

A 20-item mood scale with two 10-item subscales, Positive Affect and Negative Affect, rated for a specified time frame (e.g., "right now," "past week").

How many items does the PANAS have?

The Positive and Negative Affect Schedule (PANAS) has 20 items across 2 subscales: Positive Affect (PA), Negative Affect (NA).

Is the PANAS free to use?

The PANAS is free to use for non-commercial academic research. You don't need to pay a license fee, but you should always cite the original publication.

Is the PANAS reliable?

Validation studies report Cronbach's α of 0.87–0.88. See the reliability section for the population studied and full statistics.

Who developed the PANAS, and how do I cite it?

Watson, D., Clark, L. A., Tellegen, A. (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. https://doi.org/10.1037/0022-3514.54.6.1063

Reference only

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Library entry verified July 2026. Metadata is provided for reference; item wording is available inside Folio Surveyor, subject to each instrument's licensing.