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. Author manuscript; available in PMC: 2015 Feb 1.
Published in final edited form as: Learn Individ Differ. 2013 Nov 12;30:46–57. doi: 10.1016/j.lindif.2013.11.001

Table 1a.

Demographic information and reading performance by growth assessment condition and intervention group (AIMS, ORF-WF Groups)

Measure Familiar
Novel
Typical Struggling-NI Struggling-I Typical Struggling-NI Struggling-I
N 279 162 234 309b 122 237
Age: M (SD) years 12.6 (0.9) 12.9 (0.9) 12.7 (1) 12.6 (0.9) 12.9 (1) 12.7 (1)
%
Gender (female) 55 49 50 59 46 46
African American 35 39 39 41 33 45
Hispanic 29 43 46 28 48 40
White 30 14 14 27 16 11
Other 6 4 2 5 2 4
Free or Reduced Luncha 69 89 91 77 87 86
Grade 6 36 33 40 39 36 49
Grade 7 25 23 23 22 23 19
Grade 8 39 44 37 39 41 32
Standard Score M (SD)
WJPC (pretest) 99.2 (9.8) 85.5 (11.9) 85.9 (10.8) 99.7 (9.4) 88.3 (10.3) 87.3 (10.2)
WJPC (posttest) 101.0 (10.4) 86.6 (12.8) 88.0 (10.7) 101.9 (10.0) 88.5 (10.2) 88.8 (9.7)
TOWRE SW (pretest) 101.9 (11.5) 90.8 (11.5) 92.3 (10.5) 102.8 (11.2) 92.9 (10.9) 93.8 (10.2)
TOWRE SW (posttest) 104.5 (10.9) 92.2 (12.4) 94.2 (11.6) 104.9 (12.0) 94.2 (11.3) 95.6 (11.5)

Note. Struggling-NI, I = No intervention (Tier 1), Intervention (Tier 2).

a

Reduced-price or free lunch status were missing for 28 (0.2%) students.

b

One Typical student in the Novel condition did not complete TOWRE SW (posttest).