Erections in men are caused by ___________________
a. dihydrotestosterone
b. vasocongestion
c. a small bone which protrudes into the penis
d. a sudden increase in muscle tension
B
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The order in which the treatments are administered can unintentionally create problems for the experimenter who is employing which research design?
a. simple factorial designs b. repeated-measures designs c. between-subjects designs d. nested designs
What does research using MRI technology show about brain functioning in women with anorexia nervosa?
What will be an ideal response?
Laura is a 70-year-old woman who has cardiovascular disease and diabetes. She retired when she was 67. She has a husband, three children, and six grandchildren. She reports a happy childhood and has few regrets in terms of her career choice. She is an avid reader and enjoys taking care of her grandchildren. As Laura ages, her cognitive changes will most likely be ______.
A. slight decline because she retired before she was very old B. some decline due to her impaired physical health C. moderate decline because she stopped working D. little decline because she has a family that provides support
When people are bribed to do what they already like doing, they may see their actions as being externally controlled rather than intrinsically appealing. This behavior is best explained by:
A. the insufficient justification effect. B. the overjustification effect. C. self-presentation theory. D. emotional contagion theory.