Data Collectionhard
0:00.0
An educational assessment contains three items of varying difficulty:
- Item 1 (Difficulty = −1.0): 92% of examinees answer correctly
- Item 2 (Difficulty = 0.0): 60% of examinees answer correctly
- Item 3 (Difficulty = +1.0): 28% of examinees answer correctly
A student's response pattern: Item 1 = Correct, Item 2 = Correct, Item 3 = Incorrect
Which statements about this examinee's latent ability (in Item Response Theory) are correct?
An educational assessment contains three items of varying difficulty:
- Item 1 (Difficulty = −1.0): 92% of examinees answer correctly
- Item 2 (Difficulty = 0.0): 60% of examinees answer correctly
- Item 3 (Difficulty = +1.0): 28% of examinees answer correctly
A student's response pattern: Item 1 = Correct, Item 2 = Correct, Item 3 = Incorrect
Which statements about this examinee's latent ability (in Item Response Theory) are correct?