Intergroup conflict simultaneously activates all related prejudices.

Evidence

Allport himself acknowledged that “[intergroup] conflict is like a note on an organ. It sets all prejudices that are attuned to it in simultaneous vibration” (1954/1979, p. 233). However, as will be outlined below, each of these components involves some conceptually distinct processes. — , Rudman, Laurie A - On the Nature of…, 106

Categorization

• CANDY: The organ-note metaphor is an evocative one-liner about how one conflict triggers all related prejudices simultaneously.
• corroborated: 2 independent passages support this claim — , Rudman, Laurie A - On the Nature of…, 106