Donna is captain of her HS swim team, works out regularly, and is very concerned about being in good shape. She occasionally goes off by herself and eats a half-gallon of ice-cream, but then forces herself to vomit afterwards. What condition does Donna likely have?
a. anorexia nervosa c. dementia
b. bulimia nervosa d. obesity
B
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A bell rings, an animal sits up and salivates, and then the experimenter delivers food. This could be either classical or operant conditioning. To decide which one it is, what do we need to know?
a. How rapidly the animal forgets during a period without training b. Whether the animal sits up immediately after the bell, or after a delay c. Which happens first, sitting up or salivating d. Whether the bell always predicts food, or if only after the animal sits up
Which method will result in having a truly random sample of the population of the United States??
a. ?Randomly select names from every phone book published in the United States. b. ?Advertise in every newspaper in the country that you will pay $10/hour to anyone willing to be in a research project. c. ?Select names from the Internal Revenue Service of every person who filed income tax returns last year such that every income level is equally represented. d. ?Obtain names from the U.S. census bureau and randomly select participants.
Political affiliation is to the _____ property of measurement, and length measured in inches is to the _____ property of measurement
a. magnitude; identity b. equal unit size; magnitude c. absolute zero; equal unit size d. identity; absolute zero
You look at the moon through a rolled-up paper tube. It will
a. look like it has disappeared. b. appear to expand. c. appear to shrink. d. show no change in its perceived size from looking at it without the paper tube.