A unit used to measure the frequency of sound in terms of the number of cycles that vibrating molecules complete
per second is called a(n)
a. sound intensity unit.
b. hertz (hz).
c. sound frequency unit.
d. decibel.
ANSWER: b
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Which of the following best characterizes the difference between quantitative and qualitative problems?
a) Quantitative problems involve many, many variables, while qualitative problems involve only one or two. b) Quantitative problems are stated as questions, while qualitative problems are stated as hypotheses. c) Quantitative problems are researchable, while qualitative problems are not. d) Quantitative problems involve variables, while qualitative problems address issues or concerns.
Which of the following best describes Kurt Lewin's three-step change process?
a. First, the organization must identify driving forces, the restraining forces, and then move towards change. b. Use force-field analysis and then unfreeze the organization. c. Do something to unfreeze an organization that is in equilibrium, which allows a move toward change, and then equilibrium must be reestablished. d. Establish a committee that represents all grade levels, identify problem areas, and then develop solutions. e. Both a and d
The single subject design which allows comparison of more than one treatment or intervention is the:
a. multiple baseline design b. reversal design c. alternating treatments design d. none of the above
Based on what you have read in this chapter, what tools would you choose to bring to class to aid in your notetaking?
What will be an ideal response?