Table 2.

Means (and standard deviations) for independent and dependent variables

Measure	Mean (SD)
PPVT-III standard score	108.43 (9.51)
EVT standard score	105.34 (11.13)
Rhyme oddity (max = 20)	11.14 (4.38)
Alliteration oddity (max = 20)	9.31 (3.52)
Phonological memory (max = 30)	19.80 (5.58)
Word comprehension pretest (max = 15)	6.51 (2.80)
Word comprehension posttest (max = 15)	10.40 (2.80)
Pretest–posttest gain score	3.89 (3.06)

PPVT-III Peabody Picture Vocabulary Test, Third Edition (M = 100, SD = 15); EVT Expressive Vocabulary Test (M = 100, SD = 15)

Raw scores are provided for rhyme oddity, alliteration oddity, phonological memory, word comprehension pretest and posttest and gain score