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Peer reviewedKelly, Ivan; Ryan, Alan – Science Teacher, 1983
Explains the use of contingency tables as a tool in assessing variables to determine whether a relationship exists. Develops an example hypothesis step-by-step, noting the scientific processes and attitudes being addressed. Cautions that a large difference, which suggests a relationship, is not explanation since correlation does not guarantee…
Descriptors: Classification, Data Analysis, Data Collection, High Schools
