#1
What is a dependent variable in an experiment?
The variable that is measured and observed for changes
ExplanationVariable measured for changes
#2
What is the purpose of a control group in an experiment?
To compare the experimental group to a baseline
ExplanationComparing experimental group to baseline
#3
What does random assignment mean in experimental design?
Assigning participants to groups without any bias
ExplanationBias-free participant grouping
#4
What is a factorial design in experimental research?
A design that includes more than one independent variable
ExplanationMultiple independent variables included
#5
What is a within-subjects design in experimental research?
A design where participants are exposed to all levels of the independent variable
ExplanationParticipants exposed to all independent variable levels
#6
What is a placebo in experimental research?
A treatment with no intended therapeutic effect
ExplanationTreatment with no therapeutic effect
#7
What is a quasi-experimental design?
A design that lacks random assignment
ExplanationDesign without random assignment
#8
What is a confounding variable in experimental research?
A variable that affects the dependent variable but is not the independent variable
ExplanationVariable affecting dependent variable, not independent
#9
What is external validity in experimental research?
The extent to which results can be generalized to other settings
ExplanationGeneralizability of results to other settings
#10
What is a crossover design in experimental research?
A design where participants cross over from one group to another
ExplanationParticipants crossing over between groups
#11
What is the purpose of blinding in experimental research?
To ensure participants are not aware of which treatment they receive
ExplanationParticipants unaware of treatment
#12
What is the purpose of a manipulation check in experimental research?
To verify whether the independent variable has produced the desired effect
ExplanationVerifying effect of independent variable