Experimentally raising a group’s perceived entitativity increases members’ identification with it.

Evidence

After being exposed to these entitativity manipulations, European subjects (those with moderate preexisting attitudes that were not fixed) reported higher levels of identification with the EU relative to control conditions. Thus, perceptions of in-group entitativity can lead to increased identification with the in-group. — Roderick M. Kramer, Geoffrey J. Leonardelli, Robert W. Livingston, Social Cognition, Social Identity, and…, 266

Categorization

• XREF: Shows entitativity manipulations move identification even for an abstract, low-salience in-group like the EU — relevant to how constructed superordinate categories gain psychological hold. — connects to: Either ingroup or outgroup salience alone may suffice to increase social identification. — Brandon Randolph-Seng, Darcy A. Reich, and Kenneth G. DeMarree, On the Nonconscious Antecedents of…, 19; Outgroup salience boosts conscious ingroup identification when the ingroup is already salient. — Brandon Randolph-Seng, Darcy A. Reich, and Kenneth G. DeMarree, On the Nonconscious Antecedents of…, 47
• corroborated: 2 independent passages support this claim — Roderick M. Kramer, Geoffrey J. Leonardelli, Robert W. Livingston, Social Cognition, Social Identity, and…, 266