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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 1996 That Were Rescored in 2000, by Block and Item, Grade 12 Mathematics Assessment: 2000

NAEP Technical DocumentationRange of response codes, percentage exact agreement, and Cohen's Kappa or intraclass correlation for the constructed-response items from 1996 that were rescored in 2000, by block and item, grade 12 mathematics assessment: 2000

Block	Item	Range of response codes	Sample size	Percentage exact agreement	Cohen's Kappa	Intraclass correlation
M3	M056801	1–2	600	99	0.97	†
	M056901	1–3	700	96	†	0.96
	M057001	1–2	600	100	0.99	†
	M057101	1–2	500	94	0.49	†
M5	M070801	1–3	600	84	†	0.89
	M071001	1–3	600	94	†	0.95
	M071101	1–3	600	97	†	0.98
	M071201	1–3	600	94	†	0.95
	M071301	1–3	600	94	†	0.92
	M071401	1–5	500	94	†	0.97
M6	M020201	1–2	600	97	0.79	†
	M020301	1–4	600	100	†	0.97
	M020401	1–2	600	100	1.00	†
	M020501	1–2	600	99	0.98	†
	M020801	1–6	600	96	†	0.98
	M020901	1–2	600	34	0.22	†
	M021001	1–2	600	100	1.00	†
	M021101	1–3	700	92	†	0.90
	M021201	1–3	600	98	†	0.96
	M021401	1–2	600	99	0.98	†
	M021501	1–2	600	98	0.96	†
	M021502	1–2	500	100	0.99	†
	M021601	1–4	600	96	†	0.87
	M021602	1–2	600	98	0.90	†
	M021701	1–2	600	99	0.99	†
	M021702	1–2	600	98	0.96	†
	M021801	1–2	600	99	0.97	†
M7	M071502	1–3	400	94	†	0.96
	M071602	1–3	600	91	†	0.90
	M071603	1–3	400	86	†	0.85
	M071604	1–3	500	92	†	0.92
	M071701	1–3	600	97	†	0.93
	M071801	1–5	400	94	†	0.97
M8	M011931	1–2	600	99	0.94	†
	M012031	1–3	600	100	†	1.00
	M013031	1–4	600	99	†	0.99
	M013131	1–2	600	98	0.96	†
M9	M052401	1–2	600	92	0.83	†
	M053301	1–2	600	91	0.58	†
	M053401	1–4	500	63	†	0.86
M11	M058901	1–3	600	98	†	0.97
	M059702	1–3	600	91	†	0.92
	M059801	1–2	500	97	0.78	†
M14	M073401	1–3	600	92	†	0.94
	M073801	1–3	600	99	†	1.00
	M073901	1–3	600	97	†	0.98
	M074001	1–3	400	93	†	0.92
	M074101	1–5	500	84	†	0.93
M15	M076101	1–3	600	98	†	0.97
	M076601	1–3	600	98	†	0.99
	M076701	1–3	600	98	†	0.97
	M076801	1–3	600	98	†	0.95
	M076901	1–3	600	99	†	0.95
	M077001	1–5	400	82	†	0.87
† 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), 2000 Mathematics Assessment.

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