Calculate the variance.

A researcher sampled 10 undergraduate psychology majors about their study behaviors. The following is a list of the number of hours they spent studying on the weekend:

5 8 2 0 4
6 3 4 7 1


Ans: 6.67

Education

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Explain why you agree or disagree with the four purposes of elementary school education as identified by our authors

What will be an ideal response?

Education

In the context of multilevel models what do we mean by a fixed regression coefficient?

A. A regression coefficient that is stable across different samples B. A regression coefficient that is assumed to be the same in the population and the sample C. A regression coefficient that is assumed not to vary across contexts D. A regression coefficient that is always a fixed value and does not need to be estimated

Education

In which type of class will students typically have the most difficulty maintaining concentration?

a. a mathematics class where students are routinely asked to work on problems at the chalkboard b. a chemistry laboratory c. a composition course where students critique each other's writing assignments d. an American history class that is 98 percent lecture

Education

Small groups of children:

a) An be directed to certain centers b) Can choose what they want to do c) Can rotate through each center on different days d) Can stay in a center for several days

Education