Unstructured time spent with friends during adolescence has been associated with
A. greater imagination and creativity.
B. better social skills and a stronger peer network.
C. greater amounts of time spent with nonparental adults.
D. an increased risk of criminal activity, sexual activity, and drug and alcohol use.
Answer: D
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What is one activity the U.S. Department of Education engages in to foster educational excellence?
What will be an ideal response?
The Concept Attainment Model was developed by:
a. Bruner, Goodnow, & Austin b. Taba & Elkins c. Merrill & Tennyson d. Tennyson & Park
To survey the opinions of football fans at Newcastle United’s St. James’ Park ground, you and your team of researchers plan to select every hundredth fan entering the stadium via the East Stand turnstiles at the next home match. Is this a simple random sample?
A. Yes, because each fan has the same chance of being selected. B. Yes, because the 99 out of 100 fans who are not selected will form a control group. C. Yes, this is an elaborate form of simple random sample. D. No, because not every sample of the intended size has an equal chance of being selected.
Mr. Cooper wants to motivate his students to do well on their classwork, especially the work that involves preparation for the end-of-grade tests his students will take. He hits upon what he thinks is the perfect motivator: each day, he'll give students a mini-test with twenty questions, and he'll give one piece of candy for each correct answer a student gives. His system is likely to be
a. ineffective, because (1) his rewards will be too easily attained to be meaningful to most students and (2) he will have to keep up with which students answered which items correctly, and count out the corresponding number of candies. b. ineffective, because some students will never get any candy. c. effective, because the system (1) encourages individual student effort and rewards it accordingly, and (2) involves the use of tangible reinforces, which have been shown to be more powerful than praise. d. effective, because students need to have some reason to work hard in class and many won't even try if there is not a tangible reward forthcoming.