In a regression-discontinuity design the most likely validity threat is the:
a. random assignment
b. history effect
c. differential history effect
d. differential attrition
Ans: c
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Reasons for observing groups might include:
a. group pattern behaviors b. both “group pattern behaviors” and “to gain specific information about individual children” c. to gain specific information about individual children d. none of these answers is correct
Regarding the influences that colleges and universities have on curriculum, A. Bartlett Giamatti noted that schools were always trying to "catch up" with college and university admissions requirements. Do you think that colleges and universities and their admissions policies have too much influence over curriculum? Do you think that colleges and universities need to change the way they admit students to reflect curriculum-particularly at the high school level? Be sure to support your answer with examples and analysis.
What will be an ideal response?
Frantantoni(1999) found that direct instruction of sight vocabulary results in
A. enhanced reading rate and reading fluency. B. the students' ability to monitor their use of the reading process and take corrective action. C. students who can read both orally and silently with rich, language like expression. D. an automatic reader.
Answer the following statement(s) true (T) or false (F)
For normal distributions, most scores fall within one standard deviation of the mean, and almost all scores fall within three standard deviations of the mean.