Explain the main difference between the z test and the one-sample t test.
What will be an ideal response?
Ans: We use the z test when we know population parameters; we use the one-sample t test when we do not know the population parameters.
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The best way to teach the nature of science is for
a. Children to actually do science and explain what they did. b. Children to read about it. c. The teacher to describe it. d. The students to list the conclusions they made from their experiments.
A mixed methods researcher decides to study the use of smokeless tobacco among high school students. The specific interest of the researcher is in examining what factors contribute to students becoming frequent users of smokeless tobacco. Further, variables can easily be identified from the literature on this topic, and thus the researcher plans to first conduct a survey with the high school
students and then follow up with interviews with a few students. Which of the following designs characterizes this mixed methods design? a. A social justice mixed methods design b. A convergent mixed methods design c. An exploratory sequential mixed methods design d. An explanatory sequential mixed methods design
Which of the following is an example of how technology helps students with multiple-severe disabilities?
a. Difficulty in basic physical mobility b. Tendency to forget skills through disuse c. Trouble generalizing skills from one situation to another d. Control their environment
Mr. Nettle reinforces Hogarth for writing his name in he left hand corner of his spelling paper. Mr. Nettle does not collect Hogarth's paper if his name appears anywhere else on the paper. What type of training is Mr. Nettle employing?
a. stimulus discrimination b. punishment c. extinction d. antecedent control