Team Psychological Safety Scale

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Permission: Terms not stated: check with the authors. The developers publish no terms of use that Folio could find. Ask the authors or the publisher before using it in a study, and cite the original publication.

A 7-item measure of team psychological safety, a belief shared by team members that the team is safe for interpersonal risk taking.

Items

Response format

7-point scale

Version

1.0

Ready-to-cite methods sentence

Team psychological safety was measured with Edmondson's (1999) 7-item scale, rated from 1 (very inaccurate) to 7 (very accurate) (original-study alpha = .82).

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Reliability & validation

Notes

Alpha as reported in Table 2 of the paper, which presents group-level survey variables (N = 51 teams).

Validation population

Members of 51 work teams in a manufacturing company (Edmondson, 1999)

Cronbach's α

0.82

Response anchors

Very inaccurate · Very accurate

Known limitations

The scale was developed in a single manufacturing company with 51 teams, and the original analyses were run at the team level. It mixes positively and negatively worded items, so reverse-scored items must be recoded.

Original citation

Edmondson, A. (1999). Psychological safety and learning behavior in work teams. Administrative Science Quarterly, 44(2), 350-383.

https://doi.org/10.2307/2666999

Questions researchers ask

What does the Team Psychological Safety Scale measure?

A 7-item measure of team psychological safety, a belief shared by team members that the team is safe for interpersonal risk taking.

How many items does the Team Psychological Safety Scale have?

The Team Psychological Safety Scale has 7 items.

Is the Team Psychological Safety Scale free to use?

Folio could not find published terms of use for the Team Psychological Safety Scale. Ask the authors or the publisher before using it in a study, and cite the original publication.

Is the Team Psychological Safety Scale reliable?

Validation studies report Cronbach's α of 0.82. See the reliability section for the population studied and full statistics.

Who developed the Team Psychological Safety Scale, and how do I cite it?

Edmondson, A. (1999). Psychological safety and learning behavior in work teams. Administrative Science Quarterly, 44(2), 350-383. https://doi.org/10.2307/2666999

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Library entry verified November 2026. Metadata is provided for reference. Questionnaires are built in Folio Surveyor, subject to each instrument's licensing, and can be taken to Qualtrics, Google Forms or Microsoft Forms, with their CSV responses brought back for scoring.