Experimental Design and Variables Quiz
Test your knowledge of experimental psychology with questions on variables, control groups, randomization, and more. Take the quiz now!
#1
Which of the following is an example of a dependent variable in an experiment?
Temperature
Time
Independent variable
Number of participants
#2
What is the purpose of a control group in an experiment?
To provide a baseline for comparison
To manipulate independent variables
To measure dependent variables
To ensure randomization
#3
What is a placebo?
An inactive substance or treatment with no therapeutic effect
A powerful drug
A treatment with known therapeutic effects
An experimental design
#4
Which of the following is an example of a categorical variable?
Height
Weight
Gender
Temperature
#5
Which of the following is an example of a continuous variable?
Gender
Eye color
Temperature
Marital status
#6
Which type of variable is held constant in an experiment?
Dependent variable
Independent variable
Control variable
Extraneous variable
#7
Which type of variable can be manipulated by the researcher in an experiment?
Dependent variable
Control variable
Independent variable
Extraneous variable
#8
What is the difference between an independent and dependent variable?
Independent variable is manipulated, while dependent variable is measured
Dependent variable is manipulated, while independent variable is measured
Both are manipulated variables
Both are measured variables
#9
In an experiment, what does it mean if the results are statistically significant?
The results are important
The results are reliable
The results are likely due to chance
The results are unlikely due to chance
#10
What is the purpose of randomization in experimental design?
To ensure that all participants are identical
To eliminate the need for a control group
To reduce the likelihood of systematic bias
To increase the likelihood of finding significant results
#11
Which type of research design involves observing and recording behavior without manipulating variables?
Experimental research
Correlational research
Quasi-experimental research
Observational research
#12
What is the purpose of blinding in an experiment?
To ensure participants are unaware of the hypothesis
To prevent the researchers from knowing which group is receiving the treatment
To prevent bias in the collection and analysis of data
To deceive participants about the true nature of the study
#13
What is a confounding variable in an experiment?
A variable that affects the dependent variable and is not accounted for
A variable that is intentionally manipulated
A variable that is measured alongside the independent variable
A variable that is kept constant throughout the experiment
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