In this webinar, Alan Acock, Ph.D., shares information from a chapter on Item Response Theory (IRT) from the 5th edition of his book, A Gentle Introduction to Stata. IRT is widely used in computer adaptive testing, such as the SAT test, and offers many advantages over traditional summated scales such as Likert-type scales.

Approved for 2 CFLE contact hours of continuing education credit.

Approved for 1 CFLE contact hours of continuing education credit.

Webinar date: Oct. 16, 2015