Think about the American Idol example in the Are You Equipped? section at the beginning of the chapter.By the judges giving their expert opinions on contestants' performances, they are communicating to the audience how we should vote.Thus, __________ is a threat to internal validity.
A)diffusion of treatments
B)instrumentation
C)placebo effect
D)demand characteristics

Question

Quizplus · Accepted Answer

The judges' expert opinions may create a demand characteristic in the audience, causing them to alter their voting behavior based on the judges' feedback, which threatens the internal validity of the voting process.

Think About the American Idol Example in the Are You