Suppose you have just finished working out and decide to take a shower. You are also
expecting an important phone call and so decide that you will listen extra carefully for the
ringing of the phone.
Two or three times, you pop your head out of the shower thinking
that you hear the phone, only to find that it didn't ring after all. Your experience of
listening for the phone illustrates
a. your difference threshold.
b. your response bias.
c. just-noticeable differences.
d. Weber's fraction.
e. your absolute threshold.
b. your response bias.
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In order to meet the DSM-5 definition of an adjustment disorder, two conditions must be met: (1) clinically significant symptoms occur in response to stress, and (2)
a. these symptoms are not severe enough to be labeled a mental disorder. b. these symptoms are severe enough to be labeled a mental disorder. c. depression and/or anxiety must be present. d. symptoms of identity or role confusion must co-occur.
If behavior problem scores are roughly normally distributed in the population, a sample of behavior problem scores will
a. be normally distributed with any size sample. b. more closely resemble a normal distribution as the sample size increases. c. have a mean of 0 and a standard deviation of 1. d. be negatively skewed.
When the goal of a research study is to describe and compare different subgroups in a known population, the best strategy is to use proportionate stratified random sampling
a. True b. False Indicate whether the statement is true or false
Humans live in deserts, jungles, mountains, frenzied cities, placid retreats, and space stations, which illustrates how our mental abilities have helped us to be more
a. practical. b. future-oriented. c. communal. d. adaptable.