#1
Which of the following is a fundamental principle of experimental psychology?
Confirmation bias
Random assignment
Descriptive statistics
Case study
#2
Which of the following is NOT a step in the scientific method used in experimental psychology?
Formulating hypotheses
Gathering anecdotal evidence
Collecting data
Analyzing data
#3
What is the purpose of a control group in an experiment?
To ensure the experiment is conducted ethically
To provide a baseline for comparison
To manipulate the independent variable
To increase the external validity of the study
#4
What is the purpose of random assignment in experimental research?
To ensure that participants are representative of the population
To eliminate experimenter bias
To minimize individual differences between participants
To ensure that each participant has an equal chance of being in any experimental condition
#5
Which of the following is an example of a dependent variable?
Age of participants
Experimental condition
Gender of participants
Reaction time
#6
What is the primary goal of experimental psychology?
To describe behavior
To explain behavior
To predict behavior
To control behavior
#7
Which method is commonly used to control extraneous variables in an experiment?
Correlational study
Independent variable manipulation
Naturalistic observation
Survey research
#8
What is a confounding variable in experimental psychology?
A variable that is manipulated by the researcher
A variable that influences both the independent and dependent variables
A variable that is controlled by random assignment
A variable that is measured using descriptive statistics
#9
Which of the following is NOT a valid research design in experimental psychology?
Between-subjects design
Within-subjects design
Quasi-experimental design
Case study design
#10
What is the term for the phenomenon where participants' behavior changes due to being aware they are being studied?
Social desirability bias
Hawthorne effect
Observer bias
Placebo effect
#11
What is the purpose of debriefing in experimental psychology?
To obtain informed consent
To provide feedback to participants
To deceive participants
To disclose the true nature of the study to participants
#12
Which statistical test is appropriate for determining if there is a significant difference between two or more group means?
Chi-square test
Analysis of Variance (ANOVA)
T-test
Pearson correlation
#13
In experimental research, what does it mean if a finding is statistically significant?
The finding has practical importance
The finding is likely due to chance
The finding is likely not due to chance
The finding is ethically significant
#14
Which of the following is a potential limitation of experimental research?
Limited control over variables
Difficulty in establishing cause-and-effect relationships
High risk of researcher bias
Inability to generalize findings to real-world settings
#15
What is the purpose of a double-blind procedure in experimental research?
To prevent participant bias
To prevent experimenter bias
To ensure random assignment
To control for confounding variables