The extent to which predictor scores obtained at one time account for variance in criteria obtained at a future time is known as:
a. concurrent validity
b. predictive validity
c. divergent validity
d. convergent validity
Answer: b. predictive validity
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Peter's fear of a rabbit was established in a laboratory
Indicate whether the statement is true or false
Mariska is able to hear normally, but she cannot understand the words of spoken language. Mariska is most likely suffering from __________ aphasia
a) Broca's b) auditory c) Wernicke's d) apraxic
State the probability sampling method described in each example. a. To determine why many residents at a local nursing home are not eating their full meals, a researcher obtains a list of all residents at the nursing home and separates the list into two subgroups: residents who eat their full meals and residents who do not. The researcher randomly selects 12 residents from each subgroup to be in her sample.b. A professor obtains a list of all registered students in his class and randomly selects 40 students from the list to participate in a course evaluation.c. An administrator at a local elementary school identifies that 24 classes are taught throughout the day at her school. From this list, she selects 12 classes and measures preparedness among all students in those 12 classrooms.d. A
psychologist randomly selects one athlete to participate in a study from a list of all athletes on campus. Then, beginning with the randomly selected athlete, he selects every fourth athlete on the list to also participate in the study. What will be an ideal response?
Adoption studies may be flawed because
a. adopted children are more likely than nonadopted children to have genetic disorders. b. the results of adoption studies usually conflict with results of twin studies. c. agencies may try to place adoptees in environments similar to those of their biological parents. d. parents treat adopted children differently from biological children.