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The Egyptian Journal of Otolaryngology
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Table 3 Internal consistency reliability of CAS test battery

From: Developing a test battery for diagnosis of childhood apraxia of speech in Arabic speakers

Group Items Cronbach’s Alpha
Apraxia
 Group I (N = 10) 		6 0.805**
Phonological disorders
 Group II (N = 20) 		6 0.799*
Normal
 Group III (N = 40) 		6 0.836**
  1. *Acceptable when 0.7 ≤ α < 0.8
  2. **Good when0.8 ≤ α < 0.9
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