In Research Conducted by Geoffrey Cohen and Colleagues (2009), Minority

In research conducted by Geoffrey Cohen and colleagues (2009) , minority students were asked to write about their most important values at the beginning of middle school. What was the result of this intervention?

A) The students began to show an entity theory of intelligence.
B) The students whose values were unrelated to academics saw their grades decline.
C) The students' grades improved over two years.
D) The students reported better social relationships but not improved grades.