Epigenetic tuning of brain signal entropy in emergent human social behavior

Table 3 Social and Non-Social IBQ constructs

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

Individual items included in the Social and Non-Social Revised Infant Behavior Questionnaire (IBQ-R) constructs after item analysis. Abbreviations: α Cronbach’s alpha

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