Author Question: Upon entering an experimental session, participants were greeted by a student investigator who wore ... (Read 78 times)

CORALGRILL2014 · **on:** Jun 20, 2018

Upon entering an experimental session, participants were greeted by a student investigator who wore jeans and a shirt with gay pride symbols. Participants were asked to report their feelings about personal freedom, equality and tolerance. Interestingly, participants in this session reported greater regard for these variables than participants in the other experimental sessions where the student investigator wore khaki pants and polo shirt. These findings may be explained by ____.

a. the placebo effect.
b. the Hawthorne effect.
c. experimenter bias.
d. demand characteristics.

Question 2

Demand characteristics that are especially strong may introduce error and thus threaten:

a. internal validity.
b. placebo factors.
c. the Hawthorne effect.
d. interrater reliability.