A researcher records the time it takes to complete a memory task in a sample of 25 participants. He finds that the average participant completed the test in 43 s. The average time to complete this task is called a(n)
A. population parameter.
B. sample statistic.
C. inferential statistic.
D. time trial.
Ans: B
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Ringing a bell to send children to another center is appropriate in preschool
a. True b. False Indicate whether the statement is true or false
Three of the following classroom strategies are likely to promote moral development. Which one, although possibly appropriate in certain situations, is unlikely to promote children's moral development?
a. Encouraging participation in service learning opportunities b. Giving reasons why some behaviors are unacceptable c. Making sure that students know who is "boss" in the classroom d. Having students discuss moral issues related to classroom subject matter
Which of the following characteristics differentiate skills from other behaviors?
a. They are demonstrable. b. They can be learned. c. They are innate. d. They can be evaluated. e. They are demonstrable, learned, and can be evaluated.
A science teacher wants to provide students with practice in forming hypotheses. Which of the following would be the most appropriate activity?
a. Provide students with an inclined plane and ask them to write what would happen to a toy car if the car were to roll down the plank. b. Provide students with an inclined plane and ask them to write the possible relationship between how steep the inclined plane is and how fast a toy car rolls down the plank. c. Provide students with an inclined plane and several toy cars of different weights, and ask them to write what would happen to each car if it were to roll down the plank. d. Provide students with an inclined plane and ask them to write what would happen to a toy car if it were dropped over the side of the plank. e. All of the above f. None of the above