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Table 1 Age Comparison for IBQ-R

From: The temporal relationship between reduction of early imitative responses and the development of attention mechanisms

Scale of IBQ-R 4 months (N = 14) 9 months (N = 10)
Activity Level 3.65 ± .856 4.27 ± 1.03
Distress to Limitations 3.56 ± .821 4.29 ± .779**
Fear 2.27 ± 1.02 2.97 ± .859
Duration of Orienting 3.23 ± 1.10 3.96 ± 1.33
Smile and Laughter 4.08 ± .986 4.42 ± .775
High Pleasure 4.40 ± 1.32 6.31 ± .578**
Low Pleasure 4.52 ± .965 4.86 ± 1.00
Soothability 4.27 ± .640 4.94 ± .623**
Falling Reactivity 4.50 ± .738 4.56 ± 1.02
Cuddliness 5.82 ± .383 5.39 ± 1.12
Perceptual Sensitivity 2.56 ± .741 4.55 ± 1.07**
Sadness 3.69 ± .706 3.37 ± .812
Approach 2.95 ± .924 5.65 ± .915**
Vocal Reactivity 3.28 ± .942 4.71 ± .576**
  1. ** p < .05