Thread by @ProfJohnDrury

The mini #Hajj 2021 begins today - only 60,000 (Saudi based) pilgrims instead of the normal global gathering. Here's a thread of papers by @HaniNabulsi which examine the crowd psychology of the Hajj in normal times.
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The negative effect of crowd density on reported safety was moderated by social identification with the crowd. Mediation analysis suggested that a reason for these moderation effects was the perception that other crowd members were supportive.

pnas.org/content/111/25…
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Shared social identity with the crowd explained more of the variance in cooperation than both location & density. The link between shared social identity & giving support was stronger in the plaza than in the Mosque, with @DrAnneTempleton

royalsocietypublishing.org/doi/full/10.10…
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Classic study showed attending Hajj changed attitudes academic.oup.com/qje/article/12…

Our study suggested these changes arise from cooperation, positive experience and shared identity
onlinelibrary.wiley.com/doi/abs/10.100…
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