When a double-blind study is not possible, an acceptable alternative may be .
A)a matched groups design
B)a within-groups design
C)the use of a control group
D)a masked design

Question

Quizplus · Accepted Answer

A masked design, also known as a single-blind study, is an acceptable alternative when a double-blind study is not feasible. In a masked design, either the participants or the researchers (but not both) are unaware of the group assignments, which helps reduce bias.

When a Double-Blind Study Is Not Possible, an Acceptable Alternative