NotesFAQContact Us
Collection
Advanced
Search Tips
Descriptor
Difficulty Level1
Item Sampling1
Knowledge Level1
Models1
Scoring1
Test Items1
Test Length1
Test Reliability1
Tests1
Education Level
Audience
Location
Laws, Policies, & Programs
Assessments and Surveys
What Works Clearinghouse Rating
Showing one result Save | Export
Peer reviewed Peer reviewed
Direct linkDirect link
Burton, Richard F. – Assessment & Evaluation in Higher Education, 2006
Many academic tests (e.g. short-answer and multiple-choice) sample required knowledge with questions scoring 0 or 1 (dichotomous scoring). Few textbooks give useful guidance on the length of test needed to do this reliably. Posey's binomial error model of 1932 provides the best starting point, but allows neither for heterogeneity of question…
Descriptors: Item Sampling, Tests, Test Length, Test Reliability