Question: please send correct answers so i can do helpful QUESTION 25 Exhibit 6-1 1.0 B D E A Proportion of Examinees Passing the Item .5

please send correct answers so i can do helpful

QUESTION 25 Exhibit 6-1 1.0 B D E A Proportion of Examinees Passing the Item .5 0 4 5 6 7 8 9 10 11 12 13 14 15 Total Test Score Refer to Exhibit 6-1. Which item discriminates at various levels of performance? O a. item a O b. item d O c. item b O d. item e O e. item c QUESTION 26 Hypothetically, 9% of the variation of skill among dentists is accounted for by the test that they took in order to pass the dental board examination. What is the validity coefficient of the test? O a. 0.3 O b. 0.9 O c. 3.0 O d. 0.03

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