A single-item measure of social identification: reliability, validity, and utility.

By Tom Postmes, S. A. Haslam, Lise Jans. British Journal of Social Psychology, 2013

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How researchers see this paper

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“Is it me or should my friends take the credit?” The role of social networks and social identity in recovery from addiction (2017, methodology): “…AOD users and people in recovery were measured using the single-item social identification measure (SISI) developed by Postmes, Haslam and Jans (2013), which has shown to have validity (convergent, divergent, test-retest) and reliability with a broad range of social groups (Postmes et al., 2013).”
Inclusion: Conceptualization and measurement (2014, background): “On this basis, it has been convincingly argued that the self-investment dimension best captures the concept of identification (Postmes et al., 2013).”
Effects of the COVID-19 pandemic and nationwide lockdown on trust, attitudes toward government, and well-being. (2020, background): “…2019), in the early stages of the nationwide lockdown in New Zealand, people reported increased trust in politicians and police, increased satisfaction with the government’s performance, and increased patriotism, as well as within-person increases in national identification (Postmes et al., 2013).”