Your Research Class Conducted an Experiment on Caffeine-Induced Stress in Which

Multiple Choice

Your research class conducted an experiment on caffeine-induced stress in which neither the class researchers, nor the participants in the experiment, knew who did and did not receive caffeine until after the study was completed.This research technique is called a(n) _____.

A) counterbalanced design
B) double-blind study
C) unknown condition experiment
D) controlled deception condition