Which of the following inference tests is appropriate for a comparison of mean scores of the same group before and after a treatment?
A. chi-square
B. the Mann-Whitney U test
C. a t-test for correlated means
D. a t-test for independent means
Answer: C
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The percentage of students that have an IQ in the Superior range is
a. 2.2 b. 6.7 c. 16.1 d. 50
SuperVision requires that there is a
a. worldview, conventional paradigm, which maintains clear expectations on teachers' behaviors. b. conventional, congenial, and collegial paradigm seen in schools. c. paradigm shift toward the collegial model. d. paradigm shift away from supervision from the past.
A test was given to two sections of a course. The results were as follows:Section IMean: 51; Standard deviation: 7Section IIMean: 51; Standard deviation: 13Which of the following conclusions can be inferred correctly?
A. The students in Section I performed less consistently than those in Section II. B. Section I has more bright students than Section II. C. Section I is more homogeneous than Section II. D. Section I did better on the test than Section II.
An example of specialized instruction would include
a. multi-sensory instruction. b. extended timelines. c. scribes. d. changing the order of the task. e. changing the environment.