In a ______, both the participants and the researchers who interact with the participants do not know which participants are assigned to the different groups.
A) double-blind design
B) tri-blind design
C) multi-blind design
D) single-blind design

Question

Quizplus · Accepted Answer

In a double-blind design, neither the participants nor the researchers interacting with them know who has been assigned to which group, eliminating bias from both sides.

In a ______, Both the Participants and the Researchers Who