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Table 3 Social and Non-Social IBQ constructs

From: Epigenetic tuning of brain signal entropy in emergent human social behavior

Construct Subscore α Items
Social IBQ-R Approach 0.59 172, 173
Cuddliness 0.88 5, 6, 7, 105, 106, 107, 108, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132
Duration of orientation 0.68 55, 101
Fear 0.9 90, 150, 151, 152, 153, 154, 155, 156, 161, 162, 163, 164
High pleasure 0.72 58, 59, 60, 61, 65, 66, 67, 77, 78, 79, 80, 81, 165
Soothability 0.71 174, 176, 177, 178, 179, 189, 190, 191
Vocalization 0.73 8, 9, 10, 35, 42, 45, 52, 102, 103, 146, 147, 148
Non-Social IBQ-R Approach 0.7 85, 86, 87, 88, 97, 98, 160
Duration of orientation 0.7 46, 47, 48, 49, 50, 51, 54, 91, 92
Fear 0.78 157, 158
Perceptual sensitivity 0.78 4, 83, 95, 96, 133, 134, 135, 136, 137, 138, 139
High pleasure 0.78 82, 62, 63, 64, 68, 69, 70, 71, 72, 73, 74
Soothability 0.68 183, 184, 186, 187
  1. Individual items included in the Social and Non-Social Revised Infant Behavior Questionnaire (IBQ-R) constructs after item analysis. Abbreviations: α Cronbach’s alpha