The main purpose of ______ statistics is to ______.

a. inferential; prove theories
b. descriptive; test hypotheses about populations
c. inferential; identify outliers
d. descriptive; summarize a set of data for a variable


d. descriptive; summarize a set of data for a variable

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The formative assessment cycle begins with

a. A clear understanding of the learning objective b. A clear assessment plan for several, repeated assessments c. Student interest in charting their own progress

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Which of the following is true about adolescent gain in height?

a. Height gain in girls peaks at about age 14. b. Height gain in boys peaks at about age 14. c. Height gain in boys and girls peaks at about age 16.

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Mr. Smart tells his students that they can do whatever they want for the first ten minutes of class, but they must then turn their attention to the day's assignment. The students are delighted with their ten minutes of free time but do not subsequently attend to the assignment when it is time for them to do so. From an instrumental conditioning perspective, what mistake has Mr. Smart made?

a. The "reinforcer" is not contingent on the response. b. Reinforcement is not immediate. c. Free time is not an effective reinforcer for most students. d. He has used negative reinforcement instead of positive reinforcement.

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Varying how fast you present information and how often you ask your students to respond is:

A. Monitoring responses B. Frequent student responses C. Adequate processing time D. Appropriate instructional pacing

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