Notes on a Suggested Index of Item Validity: The U-L Index
- Author(s):
-
Johnson, A. Pemberton
- Publication Year:
- 1951
- Source:
-
Journal of Educational Psychology, v42 n8 p499-504, Dec 1951
- Document Type:
- Article
- Page Count:
- 6
- Subject/Key Words:
-
Item Analysis,
Validity
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