A researcher calculates a mean from a sample of 24 people. In analyzing her data, she states the following hypotheses: H0: ? = 20 and H1: ? ? 20. For ? = .05, what is the appropriate critical value for her statistic?
a. 1.714
b. 2.086
c. 2.069
d. 2.064
c. 2.069
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What governing body denounced the first set of standards for history and geography?
a. U.S. Senate b. U.S. House of Representatives c. U.S. president d. U.S. Supreme Court
Coaching models frequently involve having teachers observe one another and hold follow-up conferences. Nonjudgmental coaching language is recommended for these conferences. An example of nonjudgmental coaching language is a. I don't think it was a good idea to let Johnny have free time instead ofparticipating in the mathematics lesson. Why did you do that?
b. How do you think the lesson went today? Is there anything you'd like me towatch for during the next observation? c. Don't you think it would be better to get everyone's attention before you beginthe lesson? Joey was looking out the window and then seemed to be lost throughoutthe lesson. d. I think things started out good at the beginning of the lesson, but then fell apartwith very little learning taking place.
Beginning a full-time job after graduation is like becoming a freshman again because the new employee
a. should not expect his or her past achievements to be valued so highly in the new setting. b. may need to develop new strategies for learning to succeed. c. may experience the new environment as stressful as it was starting high school or college. d. the new responsibilities are likely to carry higher demands of the person's time and efforts. e. All of the above
The finding that individuals' performance may be altered if they are subjects in an experimental treatment is known as the
a. treatment effect. c. placebo effect. b. experimenter effect. d. Hawthorne effect.