+**Mass Psychology** explores the collective mind, revealing how shared emotions and beliefs can shape individual action within a large group. It investigates phenomena like [Crowd Behavior](/wiki/crowd_behavior) and how [Social Influence](/wiki/social_influence) can lead to widespread shifts in opinion or action.
+## See also
+- [Groupthink](/wiki/groupthink)
+- [Public Opinion](/wiki/public_opinion)
+- [Collective Action](/wiki/collective_action)
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