The average correlation between the IQ scores of children and their adoptive parents is _______
a. -.67 c. +.48
b. -.59 d. +.18
D
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Suppose that 100 people applied for a job and that 50 will be selected. The base rate for success on the job is .60 and the applicants would be selected on the basis of a test with a validity of .80 . What would the probability of success be given rejection?
a. 44/50 b. 44/60 c. 6/60 d. 16/50
A company that said its hearing aid could help people with nerve deafness has been forced to take its advertisements off the air. Research shows the only type of deafness that can be treated with a conventional hearing aid is __________ deafness, which is caused when the bones of the middle ear, known as the __________, fuse together.
A. transduction; ulna, femur, and trachea B. conduction; hammer, anvil, and stirrup C. tympanic; cochlea, pinna, and Corti D. topographical; hammer, anvil, and stirrup
Which one of the following reading-instructionmethods does research indicate is the best
method for most children? a. Whole-language method b. Systematic and explicit phonetics c. Hooked-on-phonetics d. Balanced approach
Which of the following symptoms of schizophrenia is described as an inability to initiate or persist at common, goal-directed activities, including those at work, school, and home?
A. Avolition B. Alogia C. Affected flattening D. Blunted affect