A note on the normal ogive or logistic curve in item analysis
By: Frederic M. Lord
Series: Research bulletin / Educational Testing Service -- 1964-56; Research bulletin (Educational Testing Service) -- RB-64-56
Publisher: Educational Testing Service
Published: 1964
Place of publication: Princeton, New Jersey
Language: eng
Subjects: Educational tests and measurements
Notes: "October 1964."

This bulletin is a draft for interoffice circulation. It is automatically superseded upon formal publication of the material.--T.p.