Ambiguity can best be reduced in multiple-choice items by
A. avoiding the use of "best-answer" items.
B. having another teacher review the items.
C. keeping the length of the alternatives equal.
D. using no more than four alternatives.
B
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Ms. McCoy, a fine arts teacher, uses a variety of digital technologies, such as Google Docs, Survey Monkey, and email in her classroom to communicate with her students. Which is a disadvantage when using these technologies?
A) These tools are costly for schools and districts B) There is no record for later reference once students use these tools C) Use of these tools is dependent on stable, available Internet connectivity D) Students must be online at the same time as the teacher to use them
In an experimental study, the subjects who receive the treatment are referred to as the _____ group.
A. experimental B. control C. dependent D. independent
Building rapport with a family may be especially difficult when:
A) ?English is the family's second language. B) ?different family members pick up and drop off the child. C) ?the family's culture is very different from that of the teachers. D) ?the child arrives and departs on a school bus.
When using non-parametric tests, which measure of central tendency is preferred when summarizing a set of data?
A. Median B. Mean C. Mode D. None of the above are appropriate.