A researcher hypothesizes that A causes B. He gives all participants a pretest to assess Variable B, then exposes them to Variable A and then gives them a posttest to assess Variable B. What type of design is this?
A. experimental
B. descriptive
C. one-group pretest–posttest
D. two-group pretest–posttest
Ans: C
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Which of the following statements is true in terms of the national health system?
a) A national health system in a country is largely unaffected by social trends. b) Cultural differences are related to the type of national health system a country is likely to adopt. c) A country's national health system is solely a product of its economic development. d) National health systems across cultures do not vary in their beliefs about the cause of diseases.
A particular college has some very poor instructors. In a report to its regional accrediting agency, a college administrator used these words to describe the situation: "sub-optimal classroom practitioners." This description is an example of
a) syntax. b) doublespeak. c) the improper use of algorithms. d) the representativeness heuristic.
PET scans and EEGs are considered imaging techniques
a. structural b. functional c. hemispheric d. subcortical
In the equation Y' = a + bX, what does b represent?
A. intercept B. slope C. individual's score D. predicted criterion score