Ibrahim Abdullahi

2 Questions 6 Answers 0 Followers

Questions related from Ibrahim Abdullahi

What could be responsible for large threshold value of an item parameter?

I'm conducting an IRT analysis on 60 MCQs to estimate the item parameters (b, a, & c) as well as Standard Error of the Estimate (SEE). However, some items showed large positive threshold...

07 August 2023 1,832 6 View

What is the required sample size to run analysis on a statistical software?

I intend to investigate the psychometric properties of a SAT with a 3PLM of the IRT. The total population of my study is 16,328 and, I was told that Krayjcie and Morgan cannot be used as a...

12 March 2020 2,490 6 View