Seeks physical proximity to primary caregiver

social.attachment.proximity_seeking

socialrelational0mo–12mo
Measured by 1 instrument· Cross-instrument confidence:

What this is

Infant reliably orients, vocalizes, reaches toward, or moves to remain near their primary attachment figure when distressed, tired, or in an unfamiliar setting. Foundation of the attachment behavioral system.

Who measures this

InstrumentApproachAge rangeMapping confidenceRef
Bayley-4
Bayley Scales of Infant and Toddler Development, Fourth Edition
Clinician observation (developmental)
Subscale: Social-Emotional
1mo–3.5y
social_emotional.proximity_seeking

“Approach” describes how the instrument assesses this construct, not the specific items. We never reproduce proprietary test items.

Age coverage

Bayley-41mo–3.5y012243648months
Consensus window: 1mo–3.5y (all 1 instruments overlap).

Our voice baseline item

Voice baseline item not yet authored for this construct.

Connected milestone view

The same canonical item shows up on the developmental page with prerequisites, activities, and full developmental context.

View as developmental milestone

Activities that develop this

Instruments referenced