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Table 4 The internal consistency of the seven scales of ECSAC

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

Dimension

Questions

r

Passive joint attention

Q1

0.838*

Q2

0.816*

Q3

0.776*

Q4

0.749*

Active joint attention

Q5

0.791*

Q6

0.852*

Q7

0.769*

Q8

0.838*

Gesture use scale

Q9

0.758*

Q10

0.898*

Q11

0.777*

Q12

0.785*

Expressive language scale

Q13

0.754*

Q14

0.781*

Q15

0.764*

Receptive language scale

Q16

0.899*

Q17

0.857*

Object use scale

Q18

0.788*

Q19

0.827*

Q20

0.880*

Social interaction scale

Q21

0.759*

Q22

0.765*

Q23

0.787*

  1. The table shows the correlation co-efficiency between each scale subitems and the total scale score. Results denoting that there is a strong correlation between each scale total score and its subitem score
  2. r Pearson correlation, r* is an indication of strong correlation