On the skin, many people develop "age spots," or pools of dark pigment. Age spots are due to the accumulation of _____
a. decades of exposure to the sun
b. an overabundance of calcium
c. low levels of iron
d. undue stress and anxiety
Answer: A
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Frederick cringes every time he hears a dentist's drill, even when he is sitting in the waiting room of his dentist's office. In this example, the pain of dental drilling is
a. a conditioned response. b. an unconditioned stimulus. c. an unconditioned response. d. a conditioned stimulus.
Why does the metabolic rate decline as we age?
A. Metabolic enzymes begin to degrade. B. More calories must be kept on reserve to support aging body tissues. C. Fat burns fewer calories than muscle. D. Activity levels significantly decline.
After several terms of struggling academically, Justin worked very hard, buckled down, and brought home a report card with all A's. His father, immensely proud of Justin,
went out and bought him front row seats to the upcoming baseball game so that Justin and a friend could have a fun night as a reward. What kind of operant outcome did Justin's father provide for the brilliant report card? a. Positive reinforcement b. Negative reinforcement c. Material reinforcement d. Innate reinforcement
A correlation of .00 indicates that __________.
A. you made a mistake in your calculation B. you did not find out anything about the relationship between the two variables C. the two variables are unrelated D. everyone who scored low on one variable scored high on the other variable, and vice versa