Table 1.
Descriptive Statistics for Time 1 and Time 2 Emergent Literacy Skills
| Time of Assessment |
||||||||
|---|---|---|---|---|---|---|---|---|
| Time 1 | Time 2 | |||||||
| Measure | Mean | (SD) | Range | Mean | (SD) | Range |
t for Time Contrast |
Test-Retest Reliability |
| GRTR-R | ||||||||
| Total Raw Score | 12.95 | (4.70) | 3-25 | 15.54 | (4.72) | 4-25 | 10.02*** | .73*** |
| IGDIs Raw Scores | ||||||||
| Composite Score | 24.42 | (9.52) | 3-64 | 29.16 | (11.46) | 2-69 | 5.77*** | .48*** |
| Phonological Awareness | 5.96 | (6.27) | 0-31 | 8.88 | (8.16) | 0-37 | 4.77*** | .42*** |
| Picture Naming | 18.46 | (6.48) | 2-34 | 20.28 | (5.81) | 2-35 | 3.56*** | .38*** |
| TOPEL Standard Scores | ||||||||
| Early Literacy Index | 96.05 | (13.58) | 60-135 | 103.22 | (14.10) | 68-142 | 9.51*** | .76*** |
| Print Knowledge | 102.08 | (16.04) | 78-144 | 106.20 | (15.65) | 77-142 | 5.49*** | .81*** |
| Definitional Vocabulary | 98.14 | (12.69) | 62-126 | 104.52 | (12.49) | 51-127 | 7.44*** | .59*** |
| Phonological Awareness | 91.47 | (14.38) | 55-135 | 97.71 | (15.48) | 57-134 | 5.34*** | .48*** |
Note. N = 176. TOPEL = Test of Preschool Early Literacy; GRTR-R = Revised Get Ready to Read!; IGDIs = Individual Growth and Development Indicators. t for time contrast with 175 df.
***
p ≤ .001.