Controlling Bias and Ensuring Validity in Experimental Research Quiz Test your knowledge on experimental psychology! Learn about controlling variables, placebo effects, and more. Dive into validity issues with this quiz.
#1
Which of the following is a method to control for extraneous variables in experimental research?Random assignment
Confirmation bias
Selection bias
Observer bias
#2
What is the purpose of a placebo in an experiment?To manipulate the independent variable
To deceive participants
To serve as a comparison for the experimental group
To induce demand characteristics
#3
How does counterbalancing help in experimental research?It controls for order effects in repeated measures design
It eliminates confounding variables
It ensures random assignment
It prevents demand characteristics
#4
What is a confounding variable in experimental research?The independent variable
A variable that is not controlled and may affect the dependent variable
The dependent variable
A variable used for statistical control
#5
In a double-blind experiment, who is unaware of which treatment group the participants are in?Only the participants
Only the researchers
Both the participants and the researchers
Neither the participants nor the researchers
#6
What is demand characteristics in experimental research?Characteristics of the research design
Cues that convey the experimenter's expectations to the participants
Variables that participants bring into the study
The inherent bias in a sample
#7
What does it mean when an experiment has internal validity?The results can be generalized to a larger population
The experiment is consistent and free from confounding variables
The experiment is ethically sound
The participants are unaware of the purpose of the study
#8
Which of the following is an example of a quasi-experimental design?Randomized controlled trial (RCT)
Pretest-posttest design with a non-equivalent control group
Factorial design
Cross-sectional study
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