Question

List the independent and dependent variables for each experiment. There can be multiple

A. A researcher wonders if there are any differences in a specific college course being offered fully in-class, fully online, or hybrid. To compare, we look at the number of dropouts in the semester, course grades, and positive vs negative comments the professor receives on the course evaluations.

B. The principal and teachers at a certain school wonder if a new reading series has a better effect on student grades than the previous reading series that was used for several years.  

Answer 1

A.

The independent variables are:

1. Number of dropouts in the semester

2. Course grades

3. Positive vs negative comments the professor receives on the course evaluations

The dependent variable is Way of offering the course with three levels as in-class, fully online, and hybrid.

B. The independent variable is Reading series with two levels as Previous and New

The dependent variable is student grades

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