In the fall semester, a professor compared a lecture approach to teaching statistics (using a sophomore class) with a problem-oriented approach (using a senior class). Both sections were given the same final exam. The professor repeated the same experiment in the spring semester. This study shows a confounding of
a. test scores with teaching approaches.
b. class levels with test scores.
c. teaching approaches with class level.
d. semester with teaching approaches.
C
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The percentage of children under 18 years old living with two parents is
A) 10%. B) 25%. C) 55%. D) 70%.
Communication is a constant challenge because:
A. we can never be sure the message we send is the message others receive. B. people can be impatient when forced to listen to a long explanation. C. people are often uncomfortable with disagreement. D. All of these
________ helps employees learn new skills
Fill in the blank(s) with correct word
The types of personal writing discussed in this chapter include all but which of the following?
a. written conversations b. personal correspondence c. personal journals d. writing about literature e. All of these are discussed as types of personal writing.