According to research on the translation process in mathematical problem solving which of the following problems should be most difficult?
a. At ARCO, gas costs 1.13 per gallon. Gas at Chevron costs 5 cents less per gallon than gas at ARCO. If you want to buy 5 gallons of gas, how much will you pay at Chevron?
b. At ARCO, gas costs 1.13 per gallon. Gas at Chevron costs 5 cents more per gallon than gas at ARCO. If you want to buy 5 gallons of gas, how much will you pay at Chevron?
c. At ARCO, gas costs 1.13 per gallon. This is 5 cents less per gallon than gas at Chevron. If you want to buy 5 gallons of gas, how much will you pay atChevron?
d. all are about the same in difficulty because all require the same kinds of arithmetic operations
Question 2
Quilici and Mayer asked students to sort word problems into categories based on similarity. They found that:
a. inexperienced problem solvers were less likely than experienced problem solvers to focus on structural characteristics
b. inexperienced problem solvers were more likely than experienced problem solvers to focus on structural characteristics
c. all problem solvers were equally likely to focus on surface features
d. all problem solvers were equally likely to focus on structural features
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