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Table 2 The internal consistency reliability of ECSAC

From: The early communicative skills among a sample of Egyptian infants and toddlers

Scales Reliability co-efficiency p value
Passive joint attention 0.9* < 0.0001
Active positive attention 0.8 < 0.0001
Gesture use score 0.7 < 0.0001
Expressive language score 0.7 < 0.0001
Language comprehension score 0.9* < 0.0001
Object use score 0.7 < 0.0001
Social interaction score 0.7 < 0.0001
  1. The table shows the reliability co-efficiency between the test and retest items. There is a significant correlation between test and retest score
  2. *The highest significance was in the passive attention and language comprehension score