The results showed that both test and DREEM scores were higher in PBL group than in control group (P<0.01).

结果表明PBL教学组成绩及DREEM量表总分均明显高于传统教学组（P〈0.01）。

Dundee Ready education environment Measure (DREEM) was applied to evaluate the education environment and examination scores were adopted to evaluate the results of the teaching after the course ended.

课程结束后采用教育环境评估量表(DREEM)评价两组教育环境，闭卷考试成绩评价两组的教学效果。