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. Author manuscript; available in PMC: 2012 Apr 1.
Published in final edited form as: Infant Behav Dev. 2011 Mar 12;34(2):280–292. doi: 10.1016/j.infbeh.2011.01.003

Table 5.

Comparison of Infant Behavior Models

New Model
Factor		 Experts’ a priori
Categorization		 EITQ
Medoff-Cooper, Carey et al, (1993) 		ISP
Dunn &
Westman,
(2007)		 NNNS
Lester & Tronick (2005) 		IBQ-R
Rothbart, Ahadi & Evans (2000)
Factor 1:
Regulation and
Coordination of
Movement
(Orientation to
stimuli and
quality of
movement in
the context of
Arousal
Regulation)		 State Regulation,
Muscle
Tone/Reflexes		 None None Orientation/
Attention,
Arousal,
Regulation,
Quality of
Movement,
Non-Optimal
Reflexes,
Stress/Abstinence		 Orienting/Reactive
(Arousal/Attention
or Effortful
Control)
Factor 2:
Sensory-
Affective
Reactivity:
Regulation of
proximal body
senses related to
daily care
activities		 Proximal Senses:
Tactile and
Vestibular		 Easy/Difficult
Composite,
Distractibility,
Activity Level		 Low
Threshold
(Sensory
Sensitivity
and Sensory
Avoiding)		 Arousal Negative Reactivity
(Early Precursor to
Fear/Anxiety)
Factor 3:
Engagement
through
Coordination of
Movement and
Distal Body
Senses		 Distal Senses:
Auditory and
Visual		 Threshold,
Persistence,
Activity Level		 Sensation
Seeking
Low
Registration		 None Surgency/Extra-
version (Positive
engagement)