Principles of Experimental Design in Psychology Quiz

Test your knowledge on key principles of experimental design in psychology. Explore random assignment, control groups, validity, and more!

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Which of the following is a key principle of experimental design?

Random assignment

Experimenter bias

Naturalistic observation

Descriptive statistics

2 answered

Which of the following is a principle of ethical conduct in experimental research?

Debriefing participants after the study

Withholding information from participants

Manipulating data to fit the expected results

Avoiding informed consent

2 answered

What is the purpose of random assignment in experimental design?

To ensure that participants are similar across groups

To introduce variability into the experiment

To eliminate the need for control groups

To manipulate the independent variable

2 answered

Which of the following is NOT a threat to internal validity in experimental research?

History

Maturation

Regression to the mean

Selection bias

2 answered

What is the purpose of a control group in experimental research?

To provide a baseline for comparison

To ensure that the experimenter's expectations do not influence the results

To manipulate the independent variable

To eliminate extraneous variables

2 answered

What is the purpose of blinding in experimental research?

To prevent participants from dropping out of the study

To ensure that participants are unaware of which condition they are assigned to

To eliminate the need for ethical review

To increase the likelihood of experimenter bias

1 answered

Which of the following is NOT a type of experimental design?

Between-subjects design

Within-subjects design

Correlational design

Mixed factorial design

1 answered

Which type of validity refers to the extent to which the findings of a study can be generalized to other populations, settings, and times?

Internal validity

External validity

Construct validity

Face validity

1 answered

What is a factorial design in experimental research?

A design where multiple independent variables are manipulated

A design where only one independent variable is manipulated

A design where participants are randomly assigned to different conditions

A design where the dependent variable is measured at different time points

1 answered

#10

Which of the following is a potential limitation of factorial designs?

They are difficult to analyze

They can only examine linear relationships

They require large sample sizes

They may lead to interactions being overlooked

1 answered

#11

What is the difference between a main effect and an interaction in factorial designs?

Main effects involve multiple independent variables, while interactions involve only one

Main effects occur when there is a significant difference between groups, while interactions occur when the effect of one variable depends on the level of another

Main effects occur when there is no difference between groups, while interactions occur when there is a significant difference

Main effects are only found in within-subjects designs, while interactions are only found in between-subjects designs

1 answered

#12

Which of the following is NOT a characteristic of quasi-experimental designs?

They lack random assignment

They are typically conducted in real-world settings

They involve the manipulation of independent variables

They are often used when random assignment is not feasible

2 answered

Principles of Experimental Design in Psychology Quiz

Which of the following is a key principle of experimental design?

Which of the following is a principle of ethical conduct in experimental research?

What is the purpose of random assignment in experimental design?

Which of the following is NOT a threat to internal validity in experimental research?

What is the purpose of a control group in experimental research?

What is the purpose of blinding in experimental research?

Which of the following is NOT a type of experimental design?

Which type of validity refers to the extent to which the findings of a study can be generalized to other populations, settings, and times?

What is a factorial design in experimental research?

Which of the following is a potential limitation of factorial designs?

What is the difference between a main effect and an interaction in factorial designs?

Which of the following is NOT a characteristic of quasi-experimental designs?

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