Contact without the four optimal conditions can increase prejudice over time

Evidence

An Alabama study revealed negative effects when all four conditions were violated (Sims & Patrick 1936). White college students from the North increased on average in antiblack prejudice with each year spent in the South. — Thomas F. Pettigrew, Intergroup Contact Theory, 16

Categorization

• CANDY: A crisp, quotable reversal: exposure alone made Northern students more prejudiced, not less, each year in the South.
• XREF: The pre-Allport field origin story of contact theory — useful contrast case for any piece on desegregation.