?____________________ can involve numbers, distance, time, volume, and temperature
Fill in the blank(s) with the appropriate word(s).
ANSWER:
?Measuring
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Like light, sound energy travels in:?
A. ?waves. B. ?pitch. C. ?vibrations. D. ?circles.
It is often necessary to "play it by ear" when children are unpredictable in the behavior
Indicate whether the statement is true or false
Some teachers do not teach as well as they could because
(a) they have lost their enthusiasm for teaching (b) they feel unsupported by parents, administrators, and the school board (c) they feel at a loss because of the limited time they have with their students, and because of the negative impact of outside influences on students (d) any of the above
A professor teaches a certain section of material using a lot of examples with sports and cars to illustrate. He is concerned that this may have biased his instruction to favor male students. To test this, he measures exam grades from this section of material among women (n = 10) and men (n = 10). The mean score in the male group was 84 ± 4.0 (M ± SD); in the female group, it was 78 ± 8.0 (M ± SD) points. If the null hypothesis is that there is no difference in exam scores, then test the null hypothesis at a .05 level of significance for a two-tailed test.
A. Exam scores were significantly higher in the male group, t(18) = 2.83, p < .05. B. Exam scores were the same between groups, t(18) = 2.12, p > .05. C. Exam scores were significantly higher in the male group, t(18) = 2.12, p < .05. D. Exam scores were the same between groups, t(18) = 1.00, p > .05.