A sample of n = 10 scores is selected from a population. The variability of the scores in the sample will tend to be ____ the variability of the scores in the population.
a. equal to
b. less than
c. greater than
Ans: b. less than
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Studies of infant stepping behavior on a treadmill demonstrated that a. the pattern of alternating of steps on each leg precedes the ability to walk
b. even very young infants can walk without assistance. c. infants cannot judge the speed of movement of a moving object (e.g., the treadmill). d. infants will refuse to attempt to walk if held upright.
Ultimately, depression, schizophrenia, and drug addiction may be explained by the
a. interaction between the thyroid and hippocampus. b. interaction between the pituitary and the parietal lobes. c. absence of placebos. d. regulatory actions of neuropeptides.
In 2015, a photo of a dress became an Internet sensation because people could not agree if it was blue/black or white/gold. Research that followed suggests which group is MOST likely to perceive the dress as white/gold?
A) people who had seen the dress before B) men C) younger people D) people who are exposed to more daylight
Name the four basic taste sensations, describe the new fifth taste, tell how sensitive humans are to each taste and how this difference in sensitivity may have prevented poisonings, and explain why there are so many different flavors if only four (or five) tastes exist
What will be an ideal response?