A researcher selects a sample of 24 college students and has them rate their liking for two advertisements aimed at improving the image of the college. The researcher finds that liking ratings significantly differed, t = 2.900. Use ?2 to compute the proportion of variance for this result.
A. ?2 = .30
B. ?2 = .24
C. ?2 = .21
D. there is not enough information to answer this question
Ans: B
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Indicate whether the statement is true or false
Jeff has been hired to teach middle school math in Oklahoma and is told that as part of the hiring process, he will be required to take a mandatory drug test at a local laboratory. Jeff smokes marijuana periodically because he graduated from the University of Colorado, where marijuana is legal. He thinks it’s unfair to not get this job based on recreational drug use. What rights does Jeff have in this scenario?
a. Jeff is required to take the drug test, and if his level of recreational drug use is found excessive for hire in this Oklahoma district, he may not be hired for the math position after all. b. Jeff is required to take the drug test, but since he is from Colorado, they will not test for marijuana chemicals in his bloodstream. c. School districts cannot require potential or current employees to complete mandatory drug testing at any time. d. Jeff has the right to refuse the testing and can still be hired by the school district without the testing.
List three ways that parents can promote their child’s healthy autonomy.
What will be an ideal response?
Which of the following is the most appropriate tool for teaching students the geographic concept of hemispheres?
A. Web-based encyclopedias B. Digital global positioning systems C. Online three-dimensional maps D. Internet travel blogs