Static Analysis of Groups Question:

Using the example in the text book (which begins on p. 471), which variable is the covariate in this study?

Static Analysis Interview Question
Static Analysis Interview Question

Answer:

1. Errors on a driving simulator.
2. Driving experience.
3. Alcohol condition.
4. Both alcohol level and driving experience.

Driving experience


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What would the degrees of freedom be if you were reporting the results of the effect of Age from the output on p. 470?The adjusted group mean for the DV has been adjusted to standardize it with the other groups based on the grand mean for the covariate.