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Table 2 Average (Mean ± SE) difficulty, discrimination and misconception strength in this study compared with grade 5–8 student data (Sadler et al. 2013)

From: Still a private universe? Community college students’ understanding of evolution

 

Difficulty

Discrimination

Misconception strength

Mean ± SE

Range

Mean ± SE

Range

Mean ± SE

Range

College students

0.69 ± 0.02

0.43–0.94

0.46 ± 0.02

0.13–0.69

0.46 ± 0.01

0.31–0.84

Grade 5–8 students

0.50 ± 0.03

0.19–0.85

0.34 ± 0.02

0.13–0.55

0.47 ± 0.02

0.29–0.82