Table 1. Test-Retest Reliability Coefficients for Different Demographic Groups
Demographic Group
Reliability
r
N
Male
.90
3,815
Female
.90
3,605
White
.90
5,080
Black/African American
.86
828
Hispanic
.90
843
Asian
.93
71
American Indian/Alaskan Native a
.94
18
Native Hawaiian or Other Pacific Islander a
.78
5
Multiple Races
.90
562
Grade 1
.83
1,238
Grade 2
.87
1,280
Grade 3
.83
1,278
Grade 4
.84
1,401
Grade 5
.82
1,267
Grade 6
.82
956
Free/Reduced-Price Lunch—Yes
.88
3,466
Free/Reduced-Price Lunch—No
.90
3,954
English Learner—Yes
.86
455
English Learner—No
.90
6,965
Special Education—Yes
.86
993
Special Education—No
.90
6,427
Gifted—Yes
.76
718
Gifted—No
.89
6,702
Note : r indicates Pearson correlation coefficient and N indicates the sample size. a indicates that the reliability coefficient should be interpreted with caution due to insufficient sample size.
SCHOLASTIC READING MEASURE RELIABILITY AND VALIDITY STUDY 7
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