Large-scale Assessments in Education

An IERI – International Educational Research Institute Journal

Table 2 Number of common and unique items in the respective science assessments

From: Linking the first- and second-phase IEA studies on mathematics and science

	FISS	SISS	T95	T99	T03	T07	T11	T15	T19
	80	32	6	2	1
		38	7	3	1
			129	43	22
				98	52	22
					123	80	45
						125	91	52
							110	94	55
								122	98
									131
Bridge		32	13	48	76	102	136	146	153
Total	80	70	142	146	199	227	246	268	284

This table shows item overlaps across the assessments over time. The same logic applies as in Table 1

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