When neither the subjects nor the researcher can identify which group is the control group and which is the experimental group the design is said to be:
A) cross-sectional
B) double-blind
C) a blind experiment
D) of no value

Question

Quizplus · Accepted Answer

When neither the subjects nor the researcher can identify which group is the control group and which is the experimental group, it is called a double-blind experiment. This design is particularly useful when trying to eliminate bias from the research process. The control group serves as a baseline for comparison, and the experimental group receives the intervention or treatment being investigated. By keeping both the subjects and the researcher blinded to which group is which, the risk of researcher bias or subject response bias is minimized, leading to more reliable and valid results.

When Neither the Subjects nor the Researcher Can Identify Which