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FOR THE FOLLOWING SITUATIONS, INDICATE WHICH STATISTICAL TEST WOULD BE MOST APPROPRIATE. EXPLAIN YOUR RATIONALE. Your...

FOR THE FOLLOWING SITUATIONS, INDICATE WHICH STATISTICAL TEST WOULD BE MOST APPROPRIATE. EXPLAIN YOUR RATIONALE. Your rationale should include the following information: 1) What is the research question.. Are we looking for differences between or among groups.. Are we trying to quantify the relationship between/among variables?... Are we asking questions about categorical or nominal variables? 2) What is the level of measurement of the key variables in question?

A. A researcher wants to know whether or not the number of republicans and democrats in a class is different from chance expectation.

B. A researcher wants to know whether rankings of self esteem and attractiveness are related.

C. A researcher manipulated two independent variables, presence or absence of distracting stimuli and task difficulty (easy or difficult). The dependent variable was number of errors on the task.

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