The first step in the ABAB design is
a. using random assignment to place subjects in groups.
b. selecting matched pairs for the study.
c. administering a pretest to all subjects.
d. measuring the behavior of interest before the treatment.
D
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Understanding where to put the decimal is an issue with multiplication and division of decimals. What method below supports a fuller understanding?
a) Rewrite decimals in their fractional equivalents. b) Rewrite decimals as whole numbers, compute and count place value. c) Rewrite decimals to the nearest tenths or hundredths. d) Rewrite decimals on 10 by 10 grids.
Often researchers field-test their instruments and research plan procedures prior to conducting research. This strategy is referred to as a(n)
a. a priori testing. b. reliability test. c. validity test. d. pilot test.
Tests should always be interpreted ______.
a. by experts b. in the context they were collected c. by computer analysis d. by using a rubric
A researcher assigns participants to one of three groups (Group A, B, or C) and then observes each group for two days (Days 1 and 2). What type of factorial design is most appropriate for this study?
A. a 1-between, 1-within factorial design B. a between-subjects factorial design C. a within-subjects factorial design D. none; this is not a factorial design