Table 1.

List of NIH Baby Toolbox domains and measures

Domain	Subdomain	Measure	Age range (months)	Modality	Time to administer (minutes)
Cognition	Language	Looking While Listening	6–24	Gaze	5
	Language	Picture Vocabulary MacArthur-Bates	>=25	Touch	3
	Language	Communicative Development Inventories (CDI) Computerized Adaptive Tests (CAT) Production	9–30	Caregiver Report/Observation	2
	Language	MacArthur-Bates Communicative Development Inventories (CDI) Computerized Adaptive Tests (CAT) Comprehension	7–18	Caregiver Report/Observation	2
	Language	Mullen Receptive	1–42	Caregiver Report/Observation	3
	Language	Mullen Expressive	1–42	Caregiver Report/Observation	3
	Executive Function/Memory	Mullen Visual Reception	1–42	Caregiver Report/Observation & Touch	4
	Executive Function/Memory	Familiarization	6–21	Gaze	4
	Executive Function/Memory	Visual Delayed Response	22–42	Touch	5
	Executive Function/Memory	Delayed Memory	22–42	Touch	4
	Early Math	Who Has More	25–42	Touch	3
	Early Math	Subitizing	25–42	Observation	1
	Early Math	Verbal Arithmetic	37–42	Observation	2
	Early Math	Counting	25–42	Observation	2
Motor	Gross Motor	Get Up and Go	1–42	Caregiver Report/Observation	4.5
	Fine Motor	Reach to Eat	1–42	Caregiver Report/Observation	5.5
	Postural Control (Gross Motor, supplementary)	Sit and Stand	1–42	Caregiver Report/Observation	3.5
Social-Emotional Functioning	Temperament	Infant Behavior Questionnaire - Revised - Very Short Form (IBQ-R-VSF)	3–12	Caregiver Report	6
	Temperament	Early Childhood Behavior Questionnaire -Very Short Form (ECBQ-VSF)	13–36	Caregiver Report	6
	Temperament	Children’s Behavior Questionnaire - Very Short Form (CBQ-VSF)	37–42	Caregiver Report	6
	Negative Affect	PROMIS EC Parent-Report Bank v1.0 - Anger/Irritability	13–42	Caregiver Report/CAT	1
	Negative Affect	PROMIS EC Parent-Report Bank v1.0 - Anxiety	13–42	Caregiver Report/CAT	1
	Negative Affect	PROMIS EC Parent-Report Bank v1.0 - Depressive Symptoms	13–42	Caregiver Report/CAT	1
	Psychological Well-Being	PROMIS EC Parent-Report Bank v1.0 - Positive Affect	13–42	Caregiver Report/CAT	1
	Self-Regulation	PROMIS EC Parent-Report Scale v1.0 - Self-Reg - Flexibility 5a	13–42	Caregiver Report	1
	Self-Regulation	PROMIS EC Parent-Report Scale v1.0 - Self-Reg - Frustration Tolerance 6a	13–42	Caregiver Report	1
	Social Relationships	PROMIS EC Parent-Report SF v1.0 - Soc Rel - Child-Caregiver Interactions	13–42	Caregiver Report	1
	Social Relationships	PROMIS EC Parent-Report SF v1.0 - Soc Rel - Peer Relationships 4a	13–42	Caregiver Report	1
	Social Relationships, Social Communication	Caregiver Checklist	6–42	Caregiver Report	2
	Social Relationships, Social Communication	Social Observation	9–42	Observation	10