Experimental Research Control Techniques Quiz
Test your knowledge of experimental psychology with questions on control techniques, randomization, blinding, and more.
#1
Which of the following is NOT a control technique in experimental research?
Randomization
Matching
Placebo effect
Blocking
#2
What is the purpose of a control group in experimental research?
To provide a baseline for comparison
To receive the experimental treatment
To eliminate variability
To ensure the validity of the results
#3
What is the main purpose of using control techniques in experimental research?
To manipulate the dependent variable
To ensure that extraneous variables do not influence the results
To increase the sample size
To determine the research hypothesis
#4
What is the purpose of randomization in experimental research?
To eliminate confounding variables
To ensure every participant has an equal chance of being in any experimental condition
To manipulate the independent variable
To ensure the results are statistically significant
#5
In experimental research, what does it mean when we say a study is 'double-blind'?
Both the researchers and the participants are unaware of who is in the control group and who is in the experimental group
The participants are unaware of which treatment they are receiving
The researchers are unaware of which participants are in the control group
The researchers are unaware of the hypothesis being tested
#6
Which of the following is NOT a threat to internal validity in experimental research?
Regression to the mean
Selection bias
Maturation
Instrumentation
#7
Which of the following is NOT a potential disadvantage of using a factorial design?
Increased complexity in data analysis
Difficulty in interpreting interactions
Greater sensitivity to random error
Increased demand for resources
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