Taking a Broader Perspective: The Problem of External Validity Amanda replicated a main effect of type of packaging on product recognition.This increases our confidence that her initial findings were not due to
A)demand characteristics.
B)the Rosenthal effect.
C)Type 1 error.
D)Type 2 error.

Question

Quizplus · Accepted Answer

Replicating a main effect increases confidence that the initial findings were not due to Type 1 error, which is the incorrect rejection of a true null hypothesis (i.e., finding a statistically significant effect when there is none). Replication helps ensure the effect is not a statistical fluke.

Taking a Broader Perspective: the Problem of External Validity Amanda