39. 글의 흐름으로 보아, 주어진 문장이 들어가기에 가장 적절한 곳을 고르시오.
The researchers found that even when the students knew the solution to the first problem, the vast majority did not think to apply a similar solution to the second problem.
Students may not spontaneously bring their prior knowledge to bear on new learning situations. ( ① ) It is important to help students activate prior knowledge so they can build on it productively. ( ② ) Indeed, research suggests that even small instructional interventions can activate students’ relevant prior knowledge to positive effect. ( ③ ) For instance, in one famous study by Gick and Holyoak, college students were presented with two problems that required them to apply a certain mathematical concept. ( ④ ) However, when the instructor suggested to students that they think about the second problem in relation to0 the first, 80 percent of the student participants were able to solve it. ( ⑤ ) In other words, with minor prompts and simple reminders, instructors can activate relevant prior knowledge so that students draw on it more effectively. (156 words)
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