In an experimental study of the effects of exercise on stress, subjects are randomly assigned to either the no exercise or the exercise conditions. Identify what type of study this is—between-, within-, or matched-subjects. In addition, identify the independent and dependent variables and the control and experimental groups
What will be an ideal response?
This is a between-subjects design. The independent variable is amount of exercise and the dependent variable is stress. The control group would be those who do not exercise and the experimental group is those who do.
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A film producer wants to make a movie describing several cases of young women who have been diagnosed as suffering from anorexia nervosa. He is especially interested in exploring some of the psychological dynamics related to the disorder. Which of the
following titles might be the best choice for the film? a. A Struggle for Control: Anorexia Nervosa b. Anorexia Nervosa: I Don't Want to Grow Up c. How Depression Masquerades as Eating Disorders d. Sexual Disorders and Anorexia Nervosa: A Two-Way Street
All of these terms describe Jean Piaget EXCEPT which one?
A) cognitive psychologist B) developmental psychologist C) experimental psychologist D) neuropsychologist
Why are scientists moving slowly regarding the therapeutic use of stem cells?
a. There are limited sources of stem cells. b. Countries have been unable to come up with a universal policy for conducting such research. c. Stem cells can migrate from where they were implanted into other tissues of the body. d. All of the above
There is controversy in the research concerning the incidence of anorexia nervosa in our country; some studies report stable rates, while others report an increase. This discrepancy may be explained by the way in which studies were conducted or
A) attrition rates in studies. B) the fact that many people never seek treatment. C) improvements in screening tools for the disorder. D) the underestimate of males having the disorder.