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NAEP Analysis and Scaling → Initial Activities → Constructed-Response Interrater Reliability → Range of Response Codes, Percentage Exact Agreement, and Cohen's Kappa or Intraclass Correlation for the Constructed-Response Items Used in Scaling, by Block and Item, Grade 4 Mathematics Combined National and State Main Assessment: 2003

NAEP Technical DocumentationRange of response codes, percentage exact agreement, and Cohen's Kappa or intraclass correlation for the constructed-response items used in scaling, by block and item, grade 4 mathematics combined national and state main assessment: 2003

Block	Item	Range of response codes	Sample size	Percent exact agreement	Cohen's Kappa	Intraclass correlation
M3	M019901	1–3	2,000	98	†	0.97
	M020101	1–2	1,800	98	0.96	†
	M043501	1–5	1,800	93	†	0.97
	M047301	1–4	1,900	98	†	0.96
	M074301	1–2	2,000	97	0.95	†
	M074501	1–3	1,900	88	†	0.90
	M074801	1–3	2,000	97	†	0.97
	M074901	1–3	1,900	92	†	0.94
	M075001	1–3	2,000	98	†	0.98
	N277903	1–2	2,000	99	0.97	†
M4	M046001	1–5	2,000	99	†	0.98
	M046601	1–4	2,000	95	†	0.96
	M046801	1–5	2,000	99	†	0.99
	M046901	1–5	2,000	99	†	0.99
	M066601	1–3	2,000	91	†	0.93
	M068001	1–3	2,000	98	†	0.98
	M068002	1–3	2,000	97	†	0.98
	M068003	1–3	1,800	98	†	0.98
	M068004	1–5	1,800	91	†	0.98
M5	M019701	1–2	1,800	99	0.98	†
	M020001	1–2	1,800	99	0.98	†
	M066301	1–3	1,500	96	†	0.94
	M066501	1–3	1,700	95	†	0.98
	M067901	1–3	1,300	95	†	0.97
	M085401	1–5	2,000	92	†	0.96
	M085701	1–3	2,000	94	†	0.96
	M085901	1–3	2,000	95	†	0.96
M6	M019801	1–3	1,700	94	†	0.92
	M020201	1–2	2,000	95	0.88	†
	M020301	1–4	2,000	98	†	0.97
	M020401	1–2	2,000	99	0.98	†
	M020501	1–2	2,000	98	0.96	†
M7	M020701	1–4	1,300	80	†	0.73
	M072201	1–3	2,000	99	†	0.98
	M072202	1–3	2,000	97	†	0.98
	M072501	1–3	1,800	90	†	0.90
	M072601	1–3	1,400	98	†	0.97
	M072701	1–5	1,300	87	†	0.95
M8	M010631	1–3	2,000	97	†	0.97
	M040001	1–3	1,900	98	†	0.98
	M072401	1–3	1,500	91	†	0.94
	M087001	1–3	2,000	97	†	0.98
	M087301	1–5	1,300	94	†	0.97
	M091201	1–3	1,700	92	†	0.94
M9	M040201	1–2	1,800	94	0.83	†
	M043201	1–2	2,100	98	0.94	†
	M043301	1–3	1,900	98	†	0.98
	M043401	1–4	2,000	96	†	0.99
	M043402	1–4	2,001	98	†	0.99
	M043403	1–3	2,000	98	†	0.97
	M066701	1–3	2,100	94	†	0.96
	M066801	1–3	2,000	95	†	0.95
	M086601	1–3	2,000	98	†	0.97
	M091401	1–5	1,800	93	†	0.97
M10	M039201	1–2	2,000	99	0.98	†
	M039301	1–3	2,000	98	†	0.98
	M066901	1–5	2,000	85	†	0.97
	M074701	1–3	2,000	98	†	0.96
	M075101	1–5	2,000	87	†	0.96
	M091101	1–3	2,000	95	†	0.96
M11	M096001	1–2	2,000	95	0.92	†
	M097201	1–3	2,000	94	†	0.97
	M097401	1–3	1,900	99	†	0.98
M12	M100201	1–2	2,000	100	0.99	†
	M100501	1–2	2,000	99	0.98	†
	M101401	1–2	2,000	97	0.94	†
† The intraclass correlation is not reported for dichotomously scored items; Cohen's Kappa is not reported for polytomously scored items. NOTE: Cohen's Kappa is a measure of reliability that is appropriate for items that are dichotomously scored. The intraclass correlation coefficient is most appropriate for items with more than two categories. SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2003 Mathematics Assessment.

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