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Table. 6.

Difference of ratio of correct answers (RCA) and degree of certainty (DoC) by grade.


2nd grade (N = 21) 3rd grade (N = 17) 4th grade (N = 13) F p
RCA 0.45 0.54 0.59 5.469 .007
DoC 0.60 0.70 0.72 2.037 .142
New Phys.: Sae Mulli 2024;74:299~310 https://doi.org/10.3938/NPSM.74.299
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