You have six different classes available for your experiment. You expose the first three classes to one level of your independent variable and the remaining three classes to the other level. In this experiment, you are:
A. using class as a correlational variable.
B. counterbalancing classes across treatments.
C. nesting classes under different levels of your independent variable.
D. None of the answers is correct.
Answer: C
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Suppose that you own a rowboat and sometimes go rowing in the summer. In June, you are planning to go rowing with two of your friends (three people total in the boat), and in July, you are planning to go rowing with just one friend (two people total in the boat). Will you put in more effort (row harder) on the three-person trip or on the two-person trip?
a. You will put in more effort on the three-person trip. b. You will put in more effort on the two-person trip. c. You will put in the same amount of effort on both trips. d. It is impossible to say—no research has examined this question.
According to the text, the legal concept of mens rea generally refers to a. a "guilty mind."
b. criminal intent. c. one's mental state. d. all of the above
The most commonly used measure of how someone is coping with a chronic illness is a measure of his or her quality of life (QOL). This measure is best made by the:
a. primary care physician c. physical therapist b. consulting physician d. patient
_________ is inherent in correlational research and leads to interpretational difficulties
a. Participant observation b. Reactivity c. Delimiting observation d. Confounding