Experimental Design Quiz

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Experimental Design Mastery Quiz

Test your knowledge of experimental design concepts with this comprehensive quiz! Designed for educators, students, and research enthusiasts, this quiz covers various topics in experimental research, internal and external validity, and different types of research designs.

Get ready to challenge yourself with questions that include:

Identifying threats to internal validity
Understanding the significance of hypotheses
Exploring different experimental designs

23 Questions6 MinutesCreated by AnalyzingData321

Children recently enrolled at a nursery school are having trouble adjusting. The head teacher designs a story telling program to help them adjust. Four weeks later, observations are made and the children are better adjusted than they were before the program began. A potential threat to internal validity is:

Instrumentation Threat

Testing Threat

Maturation

Regression to the Mean

If I want to study the physical growth in teenagers, which type of experimental design should I choose?

Quasi experimental design

Repeated measures design

Time series design

A math test is given to incoming first-year college students. Those scoring the lowest are selected for a 1-week math enrichment program. Following participation, students are tested again and their scores have improved. Credit for this change is given to the program. A potential threat to interval validity is:

Instrumentation Threat

Regression to the Mean

Selection by Maturation

History Threats

External validity is the extent to which _____.

The results of a study can be generalized to the world at large

The effects of a treatment only last a short time

Anything different makes a difference

The treatment only works in conjunction with the test

In internal validity, a researcher wants to say that only the _____ caused the change in the _____.

Testing; dependent variable

Independent variable; dependent variable

Dependent variable; independent variable

Internal traits; independent variable

Maturation is :

Selecting individuals for a group based on extreme scores.

Biological or psychological changes that may occur simply due to the passing of time are.

Loss of participants due to non random reasons is known

A Quasi Experiment Is generally used to:

Investigaterelationships between variables without the researcher controlling or manipulating any of them.

To Demonstrate A Causal Relationship

Get a deep understanding of people, their activities, environment and cultures.

The interrupted time series design involves:

Making an observation immediately before and immediately after a treatment is instituted.

Using time as the independent variable.

Making observations over an extended period of time before and after a treatment is instituted.

Comparing treatment and control groups over an extended period of time.

Which of these contains steps of conducting an experimental research in the right order?

Ask a question, form hypotheses, conduct experiment, analyse data, make conclusion

Ask question, form hypotheses, identify participants, analyze data, make conclusion

Form hypotheses, choose a type of experimental design, conduct experiment, make conclusion

Ask question, form hypotheses, identify participants, select experimental treatment, choose a type of experimental, conduct experiment, analysis of data, report

An extraneous variable is any variable that you’re not investigating but it can potentially affect the:

Independent variable

Natural characteristic

Dependent variable

A pretest–posttest design is used to compare the change that occurs on dependent variables by measuring it at two time periods, before and after introducing the independent variable

True

False

Which of the following is not a characteristic of a good experiment

The experiment has a powerful intervention.

The researcher uses measures and observations that are valid, reliable, and sensitive.

The researcher addresses threats to internal and external validity

The researcher does not control the extraneous variables

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