Experimental Design in Psychology Quiz

Explore key concepts in experimental design: random assignment, control groups, validity, factorial designs, and more. Test your knowledge now!

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

Hypothesis

Survey

Observation

Correlation

What is the purpose of a control group in an experiment?

To provide a baseline for comparison with the experimental group

To manipulate the independent variable

To ensure participants are unaware of the experimental conditions

To ensure the researcher's bias does not influence the results

What does random assignment refer to in experimental design?

Assigning participants to groups based on a predetermined sequence

Assigning participants to groups based on their personal preferences

Assigning participants to groups by chance

Assigning participants to groups based on their demographics

What is a placebo in experimental research?

A substance with known effects used as a comparison to the treatment

A fake treatment with no therapeutic effect

A treatment that enhances the effects of another treatment

A treatment given after the experimental phase

What is a within-subjects design in experimental research?

An experiment where each participant is exposed to all levels of the independent variable

An experiment where participants are only exposed to one level of the independent variable

An experiment where participants are not aware of the purpose of the study

An experiment where participants are randomly assigned to groups

What is the purpose of replication in experimental research?

To repeat the experiment using different methods

To repeat the experiment using the same methods to ensure reliability

To manipulate the independent variable

To ensure the participants are unaware of the experimental conditions

Which of the following is an example of a factorial design?

A study examining the effects of caffeine on memory recall

A study examining the effects of both gender and age on reaction time

A study examining the effects of different study environments on test performance

A study examining the effects of a single type of therapy on depression levels

What is a confounding variable in an experiment?

A variable that is manipulated by the researcher

A variable that influences both the independent and dependent variables

A variable that remains constant throughout the experiment

A variable that is irrelevant to the experiment

In experimental design, what does counterbalancing refer to?

Balancing the number of participants in each experimental group

Balancing the use of different experimental conditions across participants

Balancing the duration of the experiment across conditions

Balancing the budget for the experiment

#10

What is the difference between internal validity and external validity in experimental research?

Internal validity refers to the generalizability of findings, while external validity refers to the accuracy of measurements.

Internal validity refers to the accuracy of measurements, while external validity refers to the generalizability of findings.

Internal validity refers to the degree to which the experimental design allows causal inferences, while external validity refers to the extent to which findings can be generalized to other populations or settings.

Internal validity refers to the extent to which findings can be generalized to other populations or settings, while external validity refers to the degree to which the experimental design allows causal inferences.

#11

What is a double-blind procedure in experimental research?

A procedure where only the participants are unaware of the experimental conditions

A procedure where both the participants and the researcher are unaware of the experimental conditions

A procedure where only the researcher is unaware of the experimental conditions

A procedure where the participants are aware of the experimental conditions but the researcher is not

#12

What is the difference between a quasi-experiment and a true experiment?

Quasi-experiments do not involve manipulation of the independent variable, while true experiments do.

Quasi-experiments involve manipulation of the independent variable, while true experiments do not.

Quasi-experiments lack a control group, while true experiments include one.

Quasi-experiments involve random assignment, while true experiments do not.

Experimental Design in Psychology Quiz

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

What is the purpose of a control group in an experiment?

What does random assignment refer to in experimental design?

What is a placebo in experimental research?

What is a within-subjects design in experimental research?

What is the purpose of replication in experimental research?

Which of the following is an example of a factorial design?

What is a confounding variable in an experiment?

In experimental design, what does counterbalancing refer to?

What is the difference between internal validity and external validity in experimental research?

What is a double-blind procedure in experimental research?

What is the difference between a quasi-experiment and a true experiment?

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