skip to main content
skip to footer
Home
GRE
PRAXIS
TOEIC
TOEFL
ALL PRODUCTS
CONTACT
Login / Register
Close
Products
GRE
PRAXIS
TOEIC
TOEFL
ALL PRODUCTS
TEST TAKERS
I WANT TO:
TAKE A GRADUATE ADMISSIONS TEST
SHOW MY ENGLISH ABILITY
GAIN MY TEACHING LICENSE
PRACTICE FOR A TEST
VIEW ALL ASSESSMENTS
EDUCATORS
I WANT TO:
GAIN MY TEACHING LICENSE
VIEW TEST RESOURCES FOR STUDENTS
READ RESEARCH
INSTITUTIONS
I’M LOOKING FOR:
K12 PROGRAMS
HIGHER EDUCATION
RESEARCH
ETS DATA MANAGER
BUSINESSES
I WANT TO:
COLLABORATE WITH ETS
WORKPLACE LANGUAGE PROFICIENCY
GOVERNMENTS
I WANT TO:
READ POLICY STUDIES
VIEW ALL RESEARCH
CONTACT MY EPN
VISA AND MIGRATION
RESEARCH
I WANT TO:
LEARN ABOUT ETS R&D
COLLABORATE WITH ETS R&D
FIND A RESEARCH PUBLICATION
LEARN ABOUT INTERNSHIPS AND FELLOWSHIPS
Login / Register
CONTACT
ETS Home
Research & Development
Go Back
Go Back
An Index of an Individual's Agreement with Group-Determined Item Difficulties
Author(s):
Donlon, Thomas F.; Fischer, Frederic E.
Publication Year:
1968
Source:
Educational and Psychological Measurement, v28 n1 p105-113, Spr 1968
Document Type:
Article
Page Count:
9
Subject/Key Words:
Difficulty Level,
Individual Differences,
Item Analysis,
Statistical Analysis