#1
Which of the following is a fundamental principle of ethical research involving human participants?
Deception
Informed consent
Coercion
Confidentiality
#2
In a controlled experiment, the group that does not receive the treatment being studied is called the:
Control group
Experimental group
Placebo group
Random group
#3
Which of the following is a measure of central tendency?
Standard deviation
Range
Median
Variance
#4
What is the purpose of a correlation coefficient in psychological research?
To determine causation
To measure the strength and direction of a relationship between variables
To establish internal validity
To conduct hypothesis testing
#5
What is the purpose of a research hypothesis?
To summarize the findings
To establish the null hypothesis
To predict the outcome of the research
To determine the research design
#6
Which of the following is a potential limitation of experimental research?
Lack of control over variables
Limited generalizability
Difficulty in establishing causation
Difficulty in measuring variables
#7
What is the primary purpose of random assignment in experimental research?
To ensure all participants have an equal chance of being in any experimental group
To ensure the experimenter's bias does not influence the results
To control for confounding variables
To ensure that participants are representative of the population
#8
Which of the following is an example of a quasi-experimental research design?
Randomized controlled trial (RCT)
Longitudinal study
Case-control study
None of the above
#9
Which of the following is an example of a qualitative research method?
Survey
Experimental study
Case study
Meta-analysis
#10
What is the purpose of a null hypothesis in hypothesis testing?
To state the alternative outcome
To state the expected outcome
To provide a comparison with the experimental group
To provide a baseline for comparison with the experimental results
#11
What is the purpose of peer review in the publication process?
To ensure research findings are accurate
To determine the impact factor of a journal
To select the research design
To provide funding for research projects
#12
Which of the following is a measure of variability?
Mean
Mode
Standard deviation
Median
#13
What is the purpose of conducting a pilot study in psychological research?
To test the feasibility of research procedures
To determine the effect sizes of variables
To establish causality
To generalize findings to a larger population
#14
Which of the following is a measure of effect size?
Chi-square
Cohen's d
Factor analysis
ANOVA
#15
What is the purpose of conducting a literature review in psychological research?
To summarize previous research findings
To establish the research hypothesis
To collect data
To analyze statistical results
#16
Which of the following is an example of an external validity threat?
Demand characteristics
Placebo effect
Selection bias
Hawthorne effect
#17
Which of the following is an example of a within-subjects design?
Repeated measures ANOVA
Independent samples t-test
Factorial design
Chi-square test