The best description of the unconditioned response would be Mike's:
a. conscientiousness.
b. excellent work in world history.
c. uncertainty.
d. relief.
d
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The difference between the group means in a pretest-posttest control group experimental design can be tested for statistical significance most precisely by
a. analysis of variance of the groups' means on the posttest. b. separate t-tests of the prepost difference for the experimental and for the control group. c. analysis of covariance on the groups' posttest means with pretest as the covariate. d. analysis of variance of the mean changes from pre- to posttest for the two groups.
What is the process of assigning numbers of units to physical quantities or non-physical quantities called?
a. Symmetry b. Division c. Measurement d. Topography
Sensory questions are questions that:
A) Ask children to make sense of the things B) Usually have one correct answer C) Are difficult for many children D) Engage children in using their senses
A researcher conducts a study in which the population variance of difference scores between two groups is unknown. What type of t test is most appropriate for this study?
A. one-sample t test B. two-independent-sample t test C. related-samples t test D. there is not enough information to answer this question