The "water-float" test was used during the 16th and 17th centuries to test for ______

You are walking down the street when you see a professor to whom you owe an overdue paper. As you approach each other you realize there is no graceful escape

You begin to notice your heart pounding, a cold sweat on your hands, and a knot in your stomach as the stress of the situation takes hold. Your reactions are MOST likely due to the activity of the ______. a. gonads c. thyroid gland b. adrenal glands d. pituitary gland

Devon randomly assigns a sample of depressed adults to several different treatment groups

His dependent variable is whether or not the adults display less depression as a result of the type of treatment. In addition, he theorizes that the participant's gender may have an effect on depressive symptoms. This study would be an example of a: A) correlational design. B) quasi-experimental design. C) nonexperimental design. D) randomized experimental design.