In an experiment, a researcher manipulates one variable to see how it affects a second variable. The manipulated variable is called the:

__________ is a form of treatment that does not address eating disorders directly and was actually used as the placebo treatment in several early studies. Still, this form of treatment has been found to be more effective after 12 months than therapies

that are directed at eating disorders. a. Interpersonal therapy b. Antianxiety medications c. Antidepressant medications d. Education about nutrition and health

The law of Prägnanz is also known as the

a. minimum principle of perception. b. law of common fate. c. grouping perception. d. principle of least resistance. e. just noticeable difference.