#1
What is the purpose of a control group in an experiment?
To provide a baseline for comparison with the experimental group.
ExplanationControl groups offer a baseline for comparison with experimental groups.
#2
What is the purpose of informed consent in psychological research?
To provide detailed information about the study to participants.
ExplanationInformed consent ensures participants are fully informed about the study.
#3
Which type of research design involves observing and recording behavior in its natural environment without intervention?
Descriptive design
ExplanationDescriptive design entails observing behavior in natural settings without intervention.
#4
Which statistical measure indicates the strength and direction of a relationship between two variables?
Correlation coefficient
ExplanationCorrelation coefficient gauges strength and direction of variable relationships.
#5
Which of the following is NOT a type of sampling technique used in psychological research?
Descriptive sampling
ExplanationDescriptive sampling is not a recognized sampling technique in psychology.
#6
What does it mean if a research finding is statistically significant?
The finding is meaningful or important.
ExplanationStatistically significant findings are deemed meaningful or important.
#7
Which of the following is a potential ethical concern in psychological research?
Deception of participants
ExplanationDeception of participants poses an ethical concern in research.
#8
Which of the following is a characteristic of experimental research?
It allows researchers to establish cause-and-effect relationships between variables.
ExplanationExperimental research enables establishing cause-and-effect relationships.
#9
Which research method is best suited for investigating cause-and-effect relationships?
Experimental research
ExplanationExperimental research is optimal for studying cause-and-effect relationships.
#10
What is the main purpose of random assignment in experimental research?
To control for individual differences and increase the likelihood of equivalent groups.
ExplanationRandom assignment controls for individual differences and ensures equivalent groups.
#11
What is a confounding variable in experimental research?
A variable that unintentionally influences the results of the study.
ExplanationConfounding variables inadvertently affect study results.
#12
What is the purpose of debriefing in psychological research?
To provide participants with detailed information about the study after their participation.
ExplanationDebriefing informs participants about the study after their involvement.
#13
What is a hypothesis?
A tentative explanation for a phenomenon.
ExplanationHypothesis is a tentative explanation for a phenomenon.
#14
What is internal validity in experimental research?
The degree to which the independent variable truly influences the dependent variable.
ExplanationInternal validity measures the extent of the independent variable's influence on the dependent variable.
#15
Which of the following is a disadvantage of using self-report measures in research?
They provide subjective data.
ExplanationSelf-report measures yield subjective data, posing a disadvantage.
#16
What is a placebo?
A fake treatment given to participants in the control group.
ExplanationPlacebo refers to a sham treatment administered to control group participants.
#17
Which of the following is a measure of central tendency?
Mean
ExplanationMean is a measure of central tendency.
#18
What is the purpose of peer review in the publication process of research findings?
To provide feedback and critique from experts in the field before publication.
ExplanationPeer review offers expert feedback and critique before publication.
#19
What is a type I error in hypothesis testing?
Rejecting a true null hypothesis.
ExplanationType I error involves rejecting a true null hypothesis.