An experiment examined whether giving children recess prior to testing helped their test performance. For one of the semesters, the researcher sends half of the classes out for 10 minutes of recess prior to testing. For the other half, he provides 10 minutes of free time after the test. The students in the non recess condition decided they would try harder on the tests because they did not go to
recess. This is an example of a(n)
a. Experimenter threat.
b. John Henry effect.
c. Placebo effect.
d. Hawthorne effect.
b
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An administrator will implement a new science curriculum if there is good evidence that it is more effective than the present curriculum. Otherwise he will continue with the present curriculum. The administrator should use a
a. directional test. c. difference test. b. non-directional test. d. non-difference test.
The process by which you select the course of action to correct a problem is called:
a. problem identification b. negotiating c. decision making d. consensus building
An effective communication plan requires a research process that contains ongoing appraisal, featuring tracking research that evaluates and provides critical assessment information related to adjustments that might be made to improve the school-and-community relations
a. This statement is valid, reliable and generalizable. b. This statement is not valid, reliable, and generalizable. c. This statement is accurate in only 20 percent of all school districts. d. No determination can be made regarding the validity and reliability of this statement.
A simple change you can make in your behavior that will help you sleep better is to
A. watch TV in bed to help you get to sleep. B. drink a cup of warm coffee before bed. C. avoid caffeine after lunch. D. go to bed at a different time every night.