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When graphing the results of a factorial experiment with two independent variables, what rule determines which variable is placed on the -axis and which is represented by formatting features like bar color or line style? Describe the standard that researchers should follow.
Question: When graphing the results of a factorial experiment with two independent variables, what rule determines which variable is placed on the -axis and which is represented by formatting features like bar color or line style? Describe the standard that researchers should follow.
Sample answer: There is no strict rule determining which variable goes on the -axis and which is represented by formatting features (such as bar color or line style). Instead, researchers should choose the visual arrangement that most effectively and clearly communicates the study's findings to their audience.
Key points:
- No strict rule exists for variable assignment in factorial graphs.
- Variables can be placed on the -axis or represented via formatting features (bar color, line style).
- The selection is based on visual clarity and effectiveness of communication.
- The primary goal is to clearly convey findings to the audience.
Rubric: To earn full credit, the student must state that: 1. There is no strict rule governing which variable is placed on the -axis versus represented by formatting features. 2. The layout should be selected based on which arrangement most effectively and clearly communicates the findings to the audience.
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Research Methods in Psychology - 4th American Edition @ KPU
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