{"publishers": ["Educational Testing Service"], "pagination": "27 leaves ;", "title": "Manual for analyzing results of an educational experiment (analysis of covariance)", "type": {"key": "/type/edition"}, "notes": {"type": "/type/text", "value": "Cover title."}, "number_of_pages": 27, "created": {"type": "/type/datetime", "value": "2008-10-20T23:24:13.004900"}, "languages": [{"key": "/l/eng"}], "last_modified": {"type": "/type/datetime", "value": "2008-10-20T23:24:13.004900"}, "publish_date": "1960", "publish_country": "nju", "key": "/b/OL19102701M", "authors": [{"key": "/a/OL1660521A"}], "by_statement": "Henry S. Dyer, William B. Schrader.", "publish_places": ["Princeton, N.J"], "subjects": ["Analysis of covariance", "Examinations -- Interpretation -- Statistical methods.", "Factor analysis"], "contributions": ["Schrader, William Benton, 1914-", "Educational Testing Service."], "id": 28821438, "revision": 1}