According to the Research Conducted by Dietz-Uhler & Lanter (2009)

According to the research conducted by Dietz-Uhler & Lanter (2009) , who performed the best on the quiz?

A) Students who completed self-reflection questions before the quiz performed better than those who completed the questions after the quiz.
B) Students who completed the self-reflection questions after the quiz performed better than those who completed them before the quiz
C) The self-reflection questions did not impact quiz performance but did increase confidence.
D) The self-reflection questions increased quiz performance but students did not believe they were valuable.