Research Design

In an experimental design research, it involves an experimental group and a control group wherein the independent variable is applied to the experimental group while maintaining the control group. It also involves the pretest-posttest design. What does the Pretest-Posttest design measure?

• The amount that subjects can remember.

• The degree of change from the treatment

• The length of time it takes participants to complete the task

• The null and alternate hypothesis of the study

How do researchers get time series cross-sectional data?

• By giving subjects a time limit while answering questions during a cross-sectional study

• By combining cross sectional and longitudinal studies

• By providing a pretest and posttest

• By creating a manipulated group and a control group

By nature, descriptive studies can be used to explain causation.

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Experimental research designs have the most control, and thus allow researchers to explain differences between groups.

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Qualitative method deals with the type of data that would require statistical treatment

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