Assume that a third investigator ran both conditions described in Exercises 8.1 and 8.4, and wanted to know the power of the combined experiment to find a difference between the two experimental...

Assume that a third investigator ran both conditions described in Exercises 8.1 and 8.4, and wanted to know the power of the combined experiment to find a difference between the two experimental manipulations. a. What is the effect size in question? b. What is the value of d if the size of his sample is 50 for both groups? c. What is the power of the test?