Allport predicted stereotype content is malleable but resists change because prejudice anchors it.

Evidence

Trying to alter the stereotype content is like treating the symptom rather than the root cause. Allport suggested that although beliefs can be challenged, typically “they have the slippery propensity of accommodating themselves somehow to the negative attitude which is much harder to change” (p. 13). — , Rudman, Laurie A - On the Nature of…, 835

Categorization

• XREF: Speaks directly to contact-theory effectiveness: if stereotypes accommodate to stable prejudice, contact changing beliefs may not reduce prejudice — a testable contact-theory caveat.
• corroborated: 2 independent passages support this claim — , Rudman, Laurie A - On the Nature of…, 835