| probIRT {simExam} | R Documentation |
Probability of Getting an Item Correct
Description
Calculates the probability of getting an item correct under a 2-parameter IRT model.
Usage
probIRT(theta, a, b)
Arguments
theta |
examinee skill |
a |
item discimination |
b |
item difficulty |
Value
Probability of getting a correct item.
[Package simExam version 1.0.0 Index]