A purposive sample is used when:
A. volunteers are desired.
B. the researcher has a clear purpose for the study.
C. the population cannot be specified.
D. the individuals to be chosen are believed to have the desired information.
Answer: D
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Answer the following statement(s) true (T) or false (F)
There is no assistive technology available in the areas of science and social studies.
Modeling will occur:
a. only at specific points throughout the literacy lesson. b. at numerous points throughout the literacy lesson. c. only when it has been determined that every student needs it. d. after other pedagogical efforts have failed.
A professor finds that the students scored a 76 ± 8 (M ± SD) on the final exam. On this exam, a score of 90 is an A. Assuming these data are normally distributed, what is the z score for 90 (the cutoff for an A)?
A. 1.75 B. 1.50 C. 1.25 D. There is not enough information to answer this question.
Attitudes to school (e.g. I like school, I think school is boring) is not a quantitative variable. Can you think of any ways you could study attitudes to school in quantitative research?
What will be an ideal response?