. Author manuscript; available in PMC: 2011 May 1.

Published in final edited form as: J Educ Psychol. 2010 May 1;102(2):327–340. doi: 10.1037/a0018448

Table 3.

Correlation Coefficients Among First-Grade Predictors and the Second-Grade Running Record and Composite Outcome of Reading Performance

Measure	1	2	3	4	5	6	7	8	9	10	11	12
1. RDN ^a	—
2. Sound Matching^a	.41^**	—
3. Oral Vocabulary^a	.32^**	.57^**	—
4. WIF_N Screen^a	.49^**	.50^**	.47^**	—
5. WIF_N INT^a	.63^**	.60^**	.49^**	.87^**	—
6. WIF_N SLP^a	.24^**	.12^*	.05	−.04	.21^**	—
7. WIF_B INT^a	.51^**	.57^**	.50^**	.94^**	.91^**	05	—
8. WIF_B SLP^a	.51^**	.50^**	.42^**	.73^**	.82^**	.30^**	.83^**	—
9. DA^a	−.45^**	−.58^**	−.48^**	−.59^**	−.65^**	−.11^*	−.62^**	−.54^**	—
10. ORF^a	.49^**	.52^**	.48^**	.94^**	.86^**	−.01	.96^**	.92^**	−.65^**	—
11. Running Record^a	.41^**	.50^**	.51^**	.82^**	.72^**	−.03	.84^**	.63^**	−.55^**	.85^**	—
12. Composite Reading^b	.59^**	.68^**	.63^**	.72^**	.83^**	.21^**	.79^**	.71^**	−.69^**	.68^**	.66^**	—
Mean	8.66	9.78	95.96	24.87	41.92	0.47	25.64	0.36	9.92	26.83	8.13
SD	2.25	2.19	15.18	23.59	26.18	0.53	22.46	0.49	3.31	24.26	7.65

Note. N = 355. RDN = Rapid Digit Naming; WIF_N = Word Identification Fluency_Narrow; WIF_B = Word Identification Fluency_Broad; INT = Intercept at assessment wave 5; SLP = Slope across 5 assessment waves; DA = Dynamic Assessment. Correlations for Running Record are based on n=320.

First-grade screening measure.

Second-grade outcome.

p<.05.

^**

p<.001.