#1
Which of the following is NOT a common experimental design?
Descriptive study
ExplanationNot a common experimental design
#2
What is the purpose of a control group in an experiment?
To provide a baseline for comparison
ExplanationBaseline comparison
#3
What is the purpose of a research hypothesis in experimental design?
To guide the predictions about the relationship between variables
ExplanationGuiding relationship predictions
#4
What is the purpose of a research design in experimental research?
To structure the overall plan for the study
ExplanationOverall study plan structuring
#5
What is the purpose of a pilot study in experimental design?
To test the feasibility of the experiment
ExplanationTesting experiment feasibility
#6
What does 'randomization' refer to in experimental design?
Assigning participants to groups by chance
ExplanationRandom assignment to groups
#7
What is the difference between an independent variable and a dependent variable?
Independent variable is manipulated, dependent variable is measured
ExplanationDifference between manipulated and measured variables
#8
Which of the following is an example of a between-subjects design?
Cross-sectional study
ExplanationBetween-subjects design example
#9
Which of the following is NOT a type of experimental control?
Experimental group control
ExplanationNot a type of experimental control
#10
Which of the following is a threat to internal validity in experimental design?
Hawthorne effect
ExplanationThreat to internal validity
#11
What does 'counterbalancing' involve in experimental design?
Systematically varying the order of conditions
ExplanationSystematic order variation
#12
What is the purpose of blinding in experimental research?
To prevent bias in the interpretation of results
ExplanationBias prevention in interpretation
#13
What is the difference between reliability and validity in experimental research?
Reliability refers to consistency, validity refers to accuracy
ExplanationDifference between consistency and accuracy
#14
What is the purpose of a manipulation check in experimental design?
To ensure the validity of the experimental manipulation
ExplanationValidity assurance of manipulation