RESEARCH METHODOLOGY

REPORTING AND THESIS WRITING

DETERMINING EXPERIMENTAL AND SAMPLE DESIGNS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
An experiment in which neither the subjects nor the people who work with them know which treatment each subject is receiving is called
A
double blind
B
single blind
C
controlled
D
replicated
Explanation: 

Detailed explanation-1: -Listen to pronunciation. (DUH-bul-blind STUH-dee) A type of clinical trial in which neither the participants nor the researcher knows which treatment or intervention participants are receiving until the clinical trial is over. This makes results of the study less likely to be biased.

Detailed explanation-2: -In a double-blind experiment, neither the subjects nor the researchers who interact with the subjects know who is in the experimental group or who is in the control group.

Detailed explanation-3: -A double blind trial is a trial where neither the researchers nor the patients know what they are getting. The computer gives each patient a code number. And the code numbers are then allocated to the treatment groups. Your treatment arrives with your code number on it.

Detailed explanation-4: -A double blind experiment is when neither the experimenter nor the subjects know which subjects are in the experimental and which are in the control group. Counterbalancing is when different sets of participants get all of the conditions of the study in different orders so that order effects are accounted for.

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