Bayesian historical borrowing with longitudinal large-scale assessments

Large-scale Assessments in Education

An IERI – International Educational Research Institute Journal

Table 1 Summary statistics for ECLS-K:1998-99 and ECLS-K:2010-11

ECLS-K:1998-99	N	Mean	SD	Range	Skewness	Kurtosis	SE of the Mean
SES	3588	\(-\)0.06	0.75	7.11	\(-\)0.15	3.37	0.01
FLunch	3588	32.89	25.11	93.00	0.71	\(-\)0.33	0.42
Reading at Time 0	3588	34.61	10.20	117.27	3.36	20.60	0.17
Reading at Time 1	3588	45.85	13.70	134.12	2.19	8.24	0.23
Reading at Time 2	3588	51.83	17.27	136.62	2.12	6.39	0.29
Reading at Time 3	3588	75.79	23.66	156.92	0.83	0.69	0.40
Reading at Time 7	3588	125.09	28.33	144.76	\(-\)0.16	\(-\)0.51	0.47
Reading at Time 11	3588	148.45	26.64	136.95	\(-\)0.42	\(-\)0.21	0.44

ECLS-K:2010-11	N	Mean	SD	Range	Skewness	Kurtosis	SE of the Mean
SES	3904	\(-\)0.19	0.81	4.77	0.45	\(-\)0.31	0.01
FLunch	3904	52.13	32.49	100.00	\(-\)0.06	\(-\)1.37	0.52
Reading at Time 0	3904	53.35	11.35	131.19	1.97	7.56	0.18
Reading at Time 1	3904	67.36	13.74	100.30	1.30	3.07	0.22
Reading at Time 2	3904	75.46	16.25	100.58	0.89	0.71	0.26
Reading at Time 3	3904	92.55	17.56	102.66	\(-\)0.07	\(-\)0.39	0.28
Reading at Time 4	3904	99.25	17.67	115.18	\(-\)0.06	\(-\)0.24	0.28
Reading at Time 5	3904	110.18	17.36	98.88	\(-\)0.38	\(-\)0.05	0.28
Reading at Time 7	3904	118.53	15.74	89.56	\(-\)0.41	0.04	0.25
Reading at Time 9	3904	127.10	15.24	80.64	\(-\)0.65	0.69	0.24
Reading at Time 11	3904	134.16	15.96	85.23	\(-\)0.77	0.42	0.26

SES: Socioeconomic status; FLunch: Percentage of students eligible for free lunch; Time 0: Fall of Kindergarten; Time 1: Spring of Kindergarten; Time 2: Fall of 1st Grade; Time 3: Spring of 1st Grade; Time 4: Fall of 2nd Grade; Time 5: Spring of 2nd Grade; Time 7: Spring of 3rd Grade; Time 9: Spring of 4th Grade; Time 11: Spring of 5th Grade