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. Author manuscript; available in PMC: 2011 May 15.
Published in final edited form as: Int J Speech Lang Pathol. 2010 Apr;12(2):124–131. doi: 10.3109/17549500903577022

Table II.

Mean, standard deviation and range of performance.

CDI-LCQ CDI-ELQ DEAP-PCS DEAP-PVS PEACH PLS-AC PLS-EC PPVT
Mean 72.1 77.1 6.3 6.6 −23.5 78.75 84.3 86.56
n 101 101 67 67 61 113 113 84
Standard
    deviation		 29.1 33.5 2.6 2.1 22.5 24.6 19.8 19.3
Range .0 to 178.4 .0 to 194.6 3.0 to 11.0 3.0 to 10.0 −74.7 to 7.3 50.0 to 129.0 50.0 to 130.0 23.0 to 118.0

Key: Child Development Inventory – Language Comprehension Quotient (CDI-LCQ) and Expressive Language quotient (CDI-ELQ); Diagnostic Evaluation of Articulation and Phonology – consonant standard scores (DEAP-PCS) and vowel standard scores (DEAP-PVS); Parents’ Evaluation of Aural/oral performance of children (PEACH); Preschool Language Scale-Auditory Comprehension (PLS-AC) and Expressive Communication subscales (PLS-EC), Peabody Picture Vocabulary Test version 4 (PPVT).