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Table 3 Differences between formula score and number right from a Rasch perspective, influence on items

From: Comparison of formula and number-right scoring in undergraduate medical training: a Rasch model analysis

 

W > R

W = R

? = P

? > R

? = R

P >?

P >?;R

Total

Test 1

FS

NA

NA

3

5

0

6

2

16

NR

5

1

NA

NA

NA

NA

NA

6

Test 2

FS

NA

NA

1

1

1

11

6

20

NR

5

1

NA

NA

NA

NA

NA

6

  1. FS formula-scoring group, NR number-right scoring group, W Wrong, R Right,? Question Mark, P Penalty. Count, NA not applicable