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Table 4 Correlation of expected cognitive load, stem length, and proportion-correct scores

From: Validation of response processes in medical assessment using an explanatory item response model

 

Proportion-correct scores

Expected cognitive load

Stem length

Proportion-correct scores

1.00

  

Expected cognitive load

-2.93a

1.00

 

Stem length

.58b

.20c

1.00

  1. aSpearman correlation
  2. bEta coefficient
  3. cPhi coefficient