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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