Milestoneunknown· 12mo–15mo

Stands alone for 5 seconds or more if...

Stands alone for 5 seconds or more if put in standing

Unknown

What the research says

Framework evidence being indexed.

Full quotes, source languages, and document links coming soon as we finish the source-evidence indexing pass.

Normative evidence

2 sources back this milestone. The bars below show the age range each source covers.

This milestone12mo–15moWHO GSED0mo–3yWHO MGRS0mo–5y012243648607284months
Milestone windowNormative study
The coral bar shows this milestone's typical age window. The bars below show the age coverage of each backing source.
WHO GSED →WHO MGRS →

What mastery looks like

Not yet

Cannot yet stands alone for 5 seconds or more if put in standing

  • No observable behavior matching this item
Emerging

Beginning to show stands alone for 5 seconds or more if put in standing with direct support

  • Requires significant prompting or physical assistance
Developing

Demonstrates stands alone for 5 seconds or more if put in standing in structured observation

  • Performs with mild support
  • Inconsistent across contexts
Secure

Consistently passes item across contexts

  • Reliably demonstrates without prompting
Reflexive

Masters item; demonstrates generalization

  • Applies skill spontaneously in novel situations

Activities for this (1)

physical10mo–20mo

Standing Steady

Parent observes whether child can stand unsupported for 5+ seconds while distracted by play, then while holding an object. Covers standing balance milestones at 12-18mo. Three phases: free stand, stand with toy, and parent counts aloud.

Formal assessments

No matching assessment items indexed yet.