Dear colleagues,

We are currently conducting a meta-analysis examining intergroup meta-perceptions (i.e., how members of social or political groups perceive how outgroups view them) with a particular focus on the content and consequences of these perceptions.

Specifically, we are interested in correlational, experimental, or intervention studies linking intergroup meta-perceptions to intergroup animosity outcomes, including (but not limited to) affective evaluations, emotions, prejudice, stereotyping, dehumanization, trust, social distance, intergroup contact, and support for discriminatory, hostile, or harmful policies and actions.

The pre-registered protocol for this meta-analysis is publicly available on the Open Science Framework (OSF) at https://osf.io/3hax8/overview?view_only=ed9e05968bbc4244a6d86d1280ec3e90

We are reaching out to ask whether you may have any unpublished or file-drawer data, manuscripts currently under review or in press, or other relevant studies that may not have been captured through our database searches, and that you would be willing to have included in the meta-analysis.

You are welcome to share either raw data (from which we will compute the relevant summary statistics) or the summary statistics themselves. Any raw data shared with us will remain confidential. Please note that the summary statistics included in the meta-analysis will be made publicly available as part of the meta-analytic dataset on OSF.

We would kindly appreciate if you could send any relevant data to nitzan.attias@mail.huji.ac.il by March 15, 2026.

We aim to be as comprehensive as possible, and any additional relevant data would be greatly appreciated. Thank you very much for your time and consideration.

Kind regards,
Nitzan Attias, Prof Meital Balmas and Prof Eran Halperin