________ usually occurs when participants who form the two groups in an experiment are chosen from existing natural groups.
A. Selection bias
B. Cohort effect
C. History effect
D. Regression toward the mean
Answer: A
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Mika sees a mental health professional, complaining of several symptoms. The professional attempts to understand the nature and extent of the problem. This process is called __________.
A. diagnosis B. assessment C. clinical treatment D. screening
How is genital herpes transmitted?
A. Vaginal, oral, or anal sex B. Contact with an infected surface C. Shaking the hand of someone who is infected D. Passage through the birth canal of an infected mother
The linguistic relativity hypothesis suggests that _____
a) one's language determines the pattern of one's thinking and view of the world. b) one's thinking and view of the world determines the structure of one's language. c) we decide which objects belong to a concept according to what is most probable or sensible, given the facts at hand. d) perception of surface structure precedes deep structure in understanding a sentence.
Because the main goal of high-stakes testing is to upgrade the performance of poorly achieving students, low-income and ethnic minority children are
A) especially likely to be exposed to narrowly focused, regimented teaching. B) protected from being trapped in poor-performing schools. C) dropping out of school in fewer numbers. D) more likely to experience teachers who emphasize deeper understanding of material.