In the management of chronic disease, modest amounts of exercise--say, 2.5 hr per week--can ______.
A. do little except break a sweat or make one short of breath
B. encourage weight loss, but that’s about it
C. encourage weight loss and relieve depression, but not affect disease progression
D. not only encourage weight loss and relieve depression but also slow disease progression
D. not only encourage weight loss and relieve depression but also slow disease progression
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Imagine that you are listening to a reading researcher, who is discussing the approach that teachers should use for elementary school children in the United States. Which of the following arguments are you most likely to hear?
a. "The phonics approach is best because it is most likely to encourage children's motivation." b. "The whole-word approach is best because English has a close correspondence between a word's spelling and its sound." c. "Neither the phonics nor the whole-word approach is effective, so the reading teachers are searching for a new approach." d. "The phonics and the whole-word approach should be combined, because each approach provides some benefits"
Which of the following is NOT synonymous with the others?
a. Line of best fit b. Correlation line c. Prediction line d. Regression line
After training Chaser to learn the names of a variety of items, it became possible to determine that she could group items based on their features. Which of the following terms refers to this process??
A) ?Syntax B) ?Semantics C) ?Conceptualization D) ?Categorization
Individual differences within the sample such as age, gender, and education level can create uncontrolled differences in the measure of our study. This difference is called ______ variance, and it can ______ the power of our study.
A. between-groups; increase B. independent groups; decrease C. within-groups or error; decrease D. between groups; decrease