An Investigation of Alternative Methods for Scale Anchoring and Item Mapping in the National Assessment of Educational Progress
OMB 3098-0004
OMB 3098-0004
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An Investigation of Alternative Methods for Scale Anchoring and Item Mapping in the National Assessment of Educational Progress All Historical Document Collections
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Approved without change |
New collection (Request for a new OMB Control Number) | 1999-08-02 |
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