True scores and errors are assumed to be
a) highly correlated
b) not highly correlated
c) uncorrelated
d) negatively correlated
C
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The cognitive symptoms seen in dementia and delirium
a. are not seen in any other disorders. b. are seen in other disorders as well but are not defining features. c. are seen in other disorders but are not as severe. d. are only seen in schizophrenia and other psychotic disorders.
The difference between the histogram of 175 behavior problem scores and a normal distribution is
a. the normal distribution is continuous, while behavior problem scores are discrete. b. the normal distribution is symmetric, while behavior problem scores may not be. c. the ordinate of the normal distribution is density, the ordinate for behavior problems is frequency. d. Each of the previous choices is correct.
Given the following set of scores, 2, 7, 4, 9, 5, 6, 1, the median equals _____
a. 9 c. 4.86 b. 5 d. none of these
Research demonstrates that most individuals
a. overestimate how salient their own behaviors and appearance are to others b. underestimate their own intelligence c. expect higher grades than they receive d. feel self-feedback is more important than feedback from others