#1
Which of the following is a characteristic of a good research hypothesis?
Vagueness
Specificity
Ambiguity
Complexity
#2
Which of the following is a qualitative research method?
Survey
Experiment
Observation
Meta-analysis
#3
What is the independent variable in an experiment?
The variable being measured
The variable manipulated by the researcher
The variable that changes in response to the independent variable
The constant variable
#4
What is the purpose of a research proposal?
To report research findings
To outline the steps of statistical analysis
To plan and justify a research study
To recruit participants
#5
What is the purpose of a control group in an experiment?
To receive the experimental treatment
To provide a baseline for comparison
To control external variables
To observe natural behaviors
#6
Which of the following is a measure of central tendency?
Variance
Standard Deviation
Mean
Range
#7
What is the purpose of a double-blind study in research?
To prevent participant bias
To conceal the hypothesis from researchers
To prevent experimenter bias
To ensure random assignment
#8
Which type of research design involves studying a single individual or case in-depth over an extended period?
Cross-sectional design
Longitudinal design
Case study design
Experimental design
#9
In a correlational study, what does a correlation coefficient of -0.70 indicate?
A weak negative relationship
A strong negative relationship
No relationship
A weak positive relationship
#10
What is the purpose of random assignment in experimental design?
To ensure equal group sizes
To eliminate bias in group assignment
To control for confounding variables
To increase external validity
#11
In a within-subjects design, participants experience:
Only the experimental condition
Both the experimental and control conditions
Only the control condition
None of the above
#12
What is the primary purpose of an Institutional Review Board (IRB) in research?
To analyze data
To approve research proposals
To recruit participants
To design experiments
#13
What is the purpose of a pilot study in research?
To gather initial data
To conduct a large-scale experiment
To test the statistical analysis
To report findings to the public
#14
What is the purpose of a placebo in experimental research?
To enhance the effectiveness of the experimental treatment
To deceive participants about the nature of the study
To serve as the independent variable
To control for placebo effects