Floyd Allport's Social Psychology Textbook, Published in 1924, Is Credited

Floyd Allport's social psychology textbook, published in 1924, is credited with

A) establishing the field's emphasis on the scientific method.
B) imbuing the field with a cross-cultural orientation.
C) introducing the major theories of social psychology.
D) bridging the "hot" and "cold" perspectives on behavior and cognition.