AP PSYCHOLOGY

RESEARCH METHODS THINKING CRITICALLY WITH PSYCHOLOGICAL SCIENCE

THE SCIENTIFIC METHOD AND DESCRIPTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Double-blind studies control for ____
A
only the placebo effect
B
only the experimenter effect
C
both the placebo & experimenter effect
D
observer bias
Explanation: 

Detailed explanation-1: -A double-blind study is one in which neither the participants nor the experimenters know who is receiving a particular treatment. This procedure is utilized to prevent bias in research results. Double-blind studies are particularly useful for preventing bias due to demand characteristics or the placebo effect.

Detailed explanation-2: -Double-blind trials are seen as the most reliable type of study because they involve neither the participant nor the doctor knowing who has received what treatment. The aim of this is to minimize the placebo effect and minimize bias.

Detailed explanation-3: -In the context of a clinical trial, double-blind means that neither the patients nor the researchers know who is getting a placebo and who is getting the treatment. Because patients don’t know what they’re getting, their belief about what will happen doesn’t taint the results.

Detailed explanation-4: -Answer and Explanation: Double-blind studies control for both participant bias and experimenter bias. Participant bias is when the person participating in the experiment knows their role in the experiment and this knowledge influences the outcome.

Detailed explanation-5: -Example of Double Blinding in Research In these studies, random assignment is used to allocate patients into two groups: the treatment/experimental group (which receives the drug) and the control group (which receives an inactive substance that looks identical to the treatment but has no drug in it).

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