Squared multiple correlation (SMC) is used to estimate what?

A. Random variance between variables
B. Communality values for each variable
C. Common variance across all variables
D. Common variance in each independent variable


Answer: B

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It is acceptable to have the correct answer to one multiple-choice item depend on choosing the correct answer to another item

(a) Yes (b) No

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Cooperative learning strategies

a. are too difficult for young children b. foster social/emotional development as well as science learning c. take too much time

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A group of researchers wanted to know whether a new portable, online gas analysis system provided an accurate measure of VO2 max.  To assess whether the VO2 max measures were sufficiently accurate a group of participants performed an incremental exercise test using the new portable system.  The test was then repeated one week later, but this time using Douglas bags.  How would you define this type of validity?

A. Concurrent validity B. Content validity C. Criterion validity D. Predictive validity

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Which characteristic of a well-set goal accounts for how you know whether you've achieved your goal or not?

A. Specific B. Time-Related C. Realistic D. Measurable

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