The total population of teachers in a school system consists of 25 percent elementary, 30 percent middle school, and 45 percent secondary. A researcher selects a random sample of 60 teachers, made up of 15 elementary, 18 middle school, and 27 high school teachers. This is an example of
a. simple random sampling. c. cluster sampling.
b. stratified sampling. d. quota sampling.
B
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Learners need to see the connection between what they have learned in a previous lesson or unit to what they are now learning
a. True b. False
When work stations are part of the classroom, the indication is
a. that the teacher probably delivers large-group instruction b. that students are at least sometimes working independently or in pairs c. that students are expected to work independently d. that the teacher probably favors cooperative or small-group learning
Two-way communication has the advantage over one-way communication that ___________________, but also the disadvantage that ___________________
a. It takes less time; the level of confidence of the receiver is lower. b. The level of confidence of the receiver is higher; it is slower and less accurate. c. It is more accurate; it takes more time d. The level of confidence of the receiver is higher; it is less accurate.
The "trust" relationship that Native Americans have with the United States means that
A. Indians can reliably trust the United States to honor treaties formed with native peoples. B. Native American options are limited by treaties that they did not understand when they signed them. C. Indian peoples' sovereign status as independent nations is protected by treaty with the U.S. government. D. All these answers are correct.