TRUE or FALSE. In an experimental design, IVs are manipulated to determine if such manipulations cause changes in DVs.
a. True
b. False
Ans: a
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Which of the following is not consistent with brain research?
A) Teachers should challenge students to think nonstop throughout the day so that they don't have any time for "mental relaxation." B) Physical exercise has been shown to enhance the functioning of the central executive. C) Sleep is important to learning because students consolidate new memories while they are sleeping. D) Physical exercise is beneficial to the health of the brain.
In a study investigating the effects of a social skills training program, pretest and posttest scores were obtained from 30 students diagnosed as behaviorally handicapped. Which statistical test should the researcher use to test the null hypothesis that there is no difference between the pretest and posttest scores?
a) Chi-square test of independence b) Independent samples t-test c) Dependent t-test d) Two-way analysis of variance
Which is the federal constitutional provision most often involved in education-related cases?
a. The Fourteenth Amendment. b. The Eighth Amendment. c. The Fifth Amendment. d. The Fourth Amendment.
Which of the following denotes an exosystem?
a. the linkages between the family and its immediate community b. an individual’s age, sex, health, and stage of development c. the changes that occur over time in both the individual and society d. broad components of the community that affect the functioning of the family