. Author manuscript; available in PMC: 2014 Feb 13.

Published in final edited form as: Except Child. 2013 Winter;80(2):187–204. doi: 10.1177/001440291408000204

Table 3.

Oral Reading Fluency Slopes and Intercepts by Group

	Grade 2				Grade 3

Effect	Estimate	S.E.	t-value	p-value	Estimate	S.E.	t-value	p-value
Full Sample
Gen Ed Fall	58.94	0.07	792.05	<.001	78.76	0.04	480.40	<.001
Gen Ed Slope	3.36	0.02	210.04	<.001	6.71	0.02	147.66	<.001
Gen Ed Slope²	0.14	0.00	64.86	<.001	−0.42	0.00	−155.00	<.001
ED Fall	35.55	0.63	−37.18	<.001	51.86	0.39	−9.00	<.001
ED*Slope	2.26	0.14	−8.01	<.001	5.53	0.20	−0.36	.720
ED*Slope²	0.15	0.02	0.83	.408	−0.26	0.03	4.37	<.001
SLD	27.34	0.36	−88.80	<.001	40.67	0.17	−38.76	<.001
SLD*Slope	1.33	0.05	−37.35	<.001	5.55	0.08	10.25	<.001
SLD*Slope²	0.24	0.01	13.49	<.001	−0.25	0.01	5.18	<.001
Reading Difficulties
Gen Ed Fall	33.07	0.15	217.09	<.001	47.74	0.10	152.27	<.001
Gen Ed Slope	2.02	0.03	60.79	<.001	6.74	0.05	93.03	<.001
Gen Ed Slope²	0.19	0.00	42.41	<.001	−0.40	0.01	−71.89	<.001
ED Fall	20.94	0.60	−20.19	<.001	32.47	0.45	−6.93	<.001
ED*Slope	1.07	0.15	−6.29	<.001	4.81	0.25	−3.92	<.001
ED*Slope²	0.19	0.02	0.09	.926	−0.14	0.04	6.49	<.001
SLD	17.27	0.40	−39.36	<.001	26.83	0.23	−22.56	<.001
SLD*Slope	0.59	0.07	−20.03	<.001	4.62	0.11	−6.3	<.001
SLD*Slope²	0.23	0.01	4.82	<.001	−0.14	0.02	12.08	<.001

Note. The estimate column in the table reflects the fitted group means, while the S.E., t-value, and p-value are presented model estimated coefficients. Gen Ed = General Education. ED = Emotional Disturbance. SLD = Specific Learning Disability.