Greta's child has hyperactivity, attentional difficulties, and suffers from mental retardation. If these defects can be traced to a teratogen used by Greta when she was pregnant, which was she most likely abusing?
a. nicotine
b. cocaine
c. marijuana
d. alcohol
e. caffeine
d. alcohol
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Felix the cat used to jump on the Andersons' old couch every chance he got. Last week the Andersons bought a new couch, and every time Felix jumped up on the couch, he got hit with a newspaper. Felix quickly stopped jumping on the couch. Based on what is known about operant conditioning, you should conclude that for Felix, being hit with the newspaper acted as a:
a. a negative punisher for jumping on the couch b. a negative reinforcer for jumping on the couch c. conditioned stimulus for jumping on the couch d. positive punisher for jumping on the couch
Bessel used personal equations to:
a. select the most skillful astronomers. b. correct differences in the reaction times among various observers. c. ensure that his assistants had exactly the same reaction times. d. demonstrate the value of experimental psychology.
Transforming data to ______ provides a way of locating a score in a standardized distribution.
A. p value B. รก level C. z score D. t score
Why might the effects of daycare on attachment be so difficult to assess?
a. Many variables operate when a child receives nonparental care. b. Tremendous variation in caregiving schedules makes it difficult to conduct controlled experiments. c. Nonparental care options encompass a wide range of choices. d. All of these.