In the following items, select the experimental design that best fits the descriptive statement. Regression is controlled by random assignment, but the main effects of testing and the interaction of testing with X are not determinable.
a. One-group, pretest-posttest design
b. Randomized subjects, posttest only, control-group design
c. Randomized subjects, pretest-posttest design control-group
d. Randomized Solomon four-group design
e. Counterbalanced design
Question 2
The internal consistency of a test can be measured using
a. split-half procedure. c. inter-item correlations
b. item-total correlations. d. All of these are true.
The correct statement about hormones-insulin and glucagon
If you want to show differences between items at the same time, a bar graph is more effective than a
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