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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 From Previous Assessment Years, Rescored in 2003, by Block and Item, Grade 8 Mathematics Combined National and State Main Assessment: 2003

NAEP Technical DocumentationRange of response codes, percent of exact agreement, and Cohen's Kappa or intraclass correlation for the constructed-response items from previous assessment years, rescored in 2003, by block and item, grade 8 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	3,000	99	†	0.99
	M020101	1–2	2,400	98	0.96	†
	M047301	1–4	1,800	99	†	0.96
	M075401	1–3	3,600	92	†	0.89
	M075601	1–3	5,100	93	†	0.96
	M076001	1–5	5,700	85	†	0.90
M4	M046001	1–5	1,200	100	†	1.00
	M046601	1–4	2,100	97	†	0.95
	M046801	1–5	600	100	†	1.00
	M046901	1–5	2,400	99	†	0.99
	M053001	1–2	1,200	94	0.85	†
	M066601	1–3	7,800	92	†	0.93
	M067201	1–3	4,800	81	†	0.84
	M068003	1–3	4,800	99	†	0.99
	M068005	1–3	1,800	94	†	0.91
	M068006	1–3	1,200	88	†	0.85
	M068008	1–3	3,000	92	†	0.87
	M086301	1–5	3,000	93	†	0.98
	M093601	1–3	1,200	94	†	0.95
M5	M019701	1–2	2,100	99	0.98	†
	M020001	1–2	1,200	100	0.99	†
	M047901	1–3	1,200	99	†	0.98
	M053101	1–5	3,000	81	†	0.92
	M066301	1–3	3,000	98	†	0.93
	M066501	1–3	3,600	94	†	0.95
	M067901	1–3	3,000	98	†	0.98
	M085701	1–3	2,100	96	†	0.97
	M085901	1–3	1,400	94	†	0.95
M6	M019801	1–3	4,200	97	†	0.93
	M020201	1–2	3,000	90	0.60	†
	M020301	1–4	1,800	98	†	0.98
	M020401	1–2	1,800	99	0.99	†
	M020501	1–2	3,000	99	0.99	†
	M020801	1–6	1,200	96	†	0.98
	M021201	1–3	600	97	†	0.96
	M052201	1–5	3,000	81	†	0.92
M7	M013031	1–4	600	98	†	0.97
	M021101	1–3	700	90	†	0.86
	M051301	1–2	1,200	99	0.96	†
	M073401	1–3	1,800	95	†	0.93
	M092001	1–5	4,800	77	†	0.91
M8	M020901	1–2	600	88	0.76	†
	M021001	1–2	600	100	0.99	†
	M073601	1–5	3,600	85	†	0.95
	M092401	1–3	1,500	96	†	0.96
	M092601	1–3	600	93	†	0.95
M9	M013131	1–2	600	99	0.96	†
	M052401	1–2	3,600	93	0.84	†
	M072901	1–3	2,400	93	†	0.95
	M073501	1–3	1,800	95	†	0.93
	M075301	1–3	1,200	96	†	0.93
	M075801	1–3	2,700	83	†	0.85
	M093801	1–5	1,200	90	†	0.97
M10	M021301	1–2	600	93	0.87	†
	M021302	1–2	3,000	89	0.77	†
	M051201	1–2	600	99	0.98	†
	M051601	1–2	1,200	99	0.96	†
	M052101	1–3	1,200	99	†	0.99
	M052901	1–2	1,500	90	0.80	†
	M067501	1–5	3,000	81	†	0.87
	M068201	1–5	2,700	87	†	0.91
	M093501	1–3	2,100	91	†	0.94
M11	M106301	1–2	1,200	99	0.98	†
	M106901	1–2	1,500	87	0.74	†
	M107501	1–2	600	99	0.99	†
M12	M110201	1–2	600	99	0.99	†
	M110501	1–3	1,500	94	†	0.96
	M111801	1–3	2,100	89	†	0.91
† 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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