BLINDING | RESEARCH APTITUDE | NTA UGC NET PAPER 1 | JUNE 2019
RESEARCH APTITUDE| JUNE 2019
When the researcher does not know the identity of the experimental and placebo groups, the study is termed as
- Blind
- Double-blind
- Panel
- Cohort
Ans: 2
The element of experimenter-bias effect can be controlled through the process of blinding.
- Single-blind: In this case, the participants are unaware if they are part of the experimental group or the control group/placebo group.
- Double-blind: It describes an experimental procedure in which neither the participant nor the experimenter is aware of which group each participant belongs to.
