You want to test people's reactions to a new artificial sweetener, so you give them coffee with two different kinds of sweetener.Although you know which sweetener is which, you don't let them know which sweetener they're getting.This type of experiment is called a __________ experiment.
A) double-blind
B) single-blind
C) placebo effect
D) placebo bias

Question

Quizplus · Accepted Answer

In a single-blind experiment, the participants do not know which treatment they are receiving, but the experimenter does.

You Want to Test People's Reactions to a New Artificial