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A researcher is graphing a factorial experiment with two independent variables: Cell Phone Use (On vs. Off) and Time of Day (Day vs. Night). Apply the graphing guidelines for factorial experiments to specify two different valid ways the researcher can assign these variables to the graph's visual elements, and state how they should make the final decision.
Question: A researcher is graphing a factorial experiment with two independent variables: Cell Phone Use (On vs. Off) and Time of Day (Day vs. Night). Apply the graphing guidelines for factorial experiments to specify two different valid ways the researcher can assign these variables to the graph's visual elements, and state how they should make the final decision.
Sample answer: The researcher can assign Cell Phone Use to the -axis and Time of Day to formatting features like bar color, or they can assign Time of Day to the -axis and Cell Phone Use to bar color. They should make the final decision by selecting whichever arrangement communicates the results most clearly and effectively to their audience.
Key points:
- Specifies one layout with Cell Phone Use on the -axis and Time of Day as bar color/formatting.
- Specifies a second layout with Time of Day on the -axis and Cell Phone Use as bar color/formatting.
- Applies the criterion that the final choice depends on communication clarity and effectiveness for the audience.
Rubric: To receive full credit, the answer must: 1. List two alternative variable assignments (one with Cell Phone Use on the -axis and Time of Day as formatting, and one with Time of Day on the -axis and Cell Phone Use as formatting). 2. State that the choice depends on which arrangement communicates the findings most clearly to the audience.
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Research Methods in Psychology - 4th American Edition @ KPU
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