In a normal distribution, approximately __________ of the cases (or scores) occur between one standard deviation and two standard deviations either above or below the mean
Fill in the blank(s) with correct word
14%
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“Can I do things myself?”, represents what kind of room consideration?
a. Discovery b. Independence c. Flexibility d. Senses
The review of the literature should
a. cover all research in the area. b. be organized by topic. c. be presented by a series of brief abstracts. d. include a detailed discussion of all references included. e. All of these are true.
Discuss why the concept of "less" is more difficult than "more"
What will be an ideal response?
A researcher is interested in whether a new reading program for 5th graders will lead to better performance than a traditional program. She is also concerned that the program effects might vary or be confounded with prior reading achievement. Hence, she includes prior reading achievement in her study as a variable. The control technique she used in this study was:
a. Matching b. Random assignment c. Holding the extraneous variable constant d. Building the extraneous variable into the design