A researcher had a categorical variable that they wanted to include as a predictor in a regression equation. The researcher was trying to predict the success of a back pain intervention, and the categorical variable was the duration of the back pain prior to treatment, with 4 categories: less than 6 months, 6–12 months, 1–2 years, more than 2 years. They needed to code these variables into dummy variables for the regression using less than 6 months as their control category. Which of the following represents the correct coding scheme?
A.
B.
C.
D.
Answer: B
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Resources devoted to education tend to be _____________ resources devoted to military forces
a. greater than b. less than c. equal to
Mr. Human decides to teach a U.S. geography unit by grouping together the states that manufacture the same products. Which method of sequencing content is Mr. Human employing?
a. chronologically b. utility c. student interest/teacher priority d. logically
In a classroom where words matter, children will be more likely to attend to
A. the unusual words they find in the books they are reading. B. repetitive language patterns. C. similes and metaphors. D. creating word riddles.
A student is trying to pronounce the consonant g in the words gem and goat, as well as the consonant c in the words call and cell. Using the variability strategy, the student would
A) try one pronunciation, and if that didn?t work out, try another. B) think of a familiar word similar in appearance to the unknown word. C) apply the generalization that seems to best fit the situation. D) try context, and if that didn?t work out, try sounding out the word. .