Perceived Interpersonal Similarity

What it measures

A three-item semantic differential scale measuring how similar a respondent perceives themselves to be to a specific other person. Items anchor on contrasting poles ranging from 'not at all' to 'very much' across three facets of similarity. Used by Packard et al. (2016) as a manipulation check.

Response format

7-point semantic differential

Scale items

• not at all similar to me / very much similar to me
• not at all like me / very much like me
• nothing in common with me / very much in common with me

Full scale items shown. Always cite the original source when using this scale in research.

Usage notes & scoring

Used as a manipulation check in Study 1 with undergraduate students; the manipulation was successful, providing evidence of predictive validity. The scale's source was not identified. Alpha was .97.

Citation

Packard, G., Gershoff, A. D., & Wooten, D. B. (2016). When boastful word of mouth helps versus hurts social perceptions and persuasion. Journal of Consumer Research, 43(1), 26–43.

Keywords