In 1960, about 13% of American adults were obese (having a body mass index [BMI] greater than or equal to 30). In 2008, that number was about ____
a. ?18%
b. ?27%
c. ?34%
d. ?50%
ANSWER:
c
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What is the first step in hypothetical-deductive reasoning?
a. Generate all possible hypotheses. b. Get a concrete example. c. Consider what others in your position would do. d. Engage in guided participation.
"There are many assets to using a field study," said the graduate student. "First, you're dealing with correlation, so you can draw conclusions about the direction of causality. Second, you have a high degree of control over confounding variables. Third, because you're dealing with a contrived situation, you're bound to have poor external validity. And fourth, your presence might influence the
subjects' behavior.". Which part of the graduate student's thinking was accurate? a. Because it's a correlational study, one can draw conclusions about causality. b. This type of study affords a high degree of control over confounding variables. c. Because this type of study is contrived, it will result in poor external validity. d. The experimenters' presence can influence the subjects' behavior.
__________ are so well-learned that they require no space in working memory and, therefore, permit us to focus on other information while performing them
A) Executive functions B) Sensory processes C) Permanent functions D) Automatic processes
DeAndre is recording instances of physical aggression among children in a schoolyard at recess. He is undertaking ______.
a. naturalistic observation b. an experiment c. correlational research d. a case study