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Professor Simpkins designs a self-report measure to assess his students' perceptions of a lesson plan. In one section he lectures on the course material. In another section of the same course he supplements his lecture with a class activity. Then, his students rate the educational value of the class. Unfortunately, he doesn't learn anything about the distinction between lecturing and active learning, because both classes rated the education value as a three (very educational) on a scale from one to three. What is wrong with Professor Simpkins' research?
Aggregated
Combined from several elements into a single whole or summary.
Social Factors
Aspects of society and culture that influence people's behavior, preferences, and interactions within a project or organization.
Detailed Estimates
Detailed estimates provide an in-depth projection of the costs associated with a project, based on precise assessments of necessary resources.
Statistical Relationship
The connection or correlation between two or more variables that can be measured using statistical methods.
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