Describe how a quasi-experimental design eliminates the directionality problem. Specifically, identify the chronological sequence required between the independent and dependent variables, and explain how this sequence clarifies their relationship.
Question: Describe how a quasi-experimental design eliminates the directionality problem. Specifically, identify the chronological sequence required between the independent and dependent variables, and explain how this sequence clarifies their relationship.
Sample answer: In quasi-experimental research, the researcher manipulates the independent variable prior to measuring the dependent variable. This chronological sequence establishes a clear timeline that clarifies which variable is the potential cause and which is the effect, thereby resolving the directionality problem that commonly occurs in purely non-experimental studies.
Key points:
- Manipulation of the independent variable occurs prior to measuring the dependent variable.
- Establishing a chronological sequence or timeline.
- Clarifying which variable is the potential cause and which is the effect.
- Resolving the directionality problem common in non-experimental studies.
Rubric: To receive full credit, the answer must: 1) State that the independent variable is manipulated before the dependent variable is measured. 2) Explain that this establishing of a chronological sequence or timeline clarifies which variable is the potential cause and which is the effect. 3) Mention that this sequence resolves the directionality problem.
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Research Methods in Psychology - 4th American Edition @ KPU
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