https://www.ets.org/research/policy_research_reports/publications/report/1977/hryv.html
Item Characteristic Curve Solutions to Three Intractable Testing Problems
This paper summarizes three studies that illustrate how application of the three-parameter logistic test model helped solve three relatively intractable...
item characteristic curvesolutionsthreeintractabletesting
https://www.ets.org/research/policy_research_reports/publications/report/1976/ibpl.html
LOGIST: A Computer Program for Estimating Examinee Ability and Item Characteristic Curve Parameters
The theory, purpose and methods of LOGIST, a computer program for estimating examinee ability and item characteristic curve parameters, is described. Minimum...