Milestoneunknown· 3mo–9mo

Makes vowel sounds, such as "eh" or "ah"

Makes vowel sounds, such as "eh" or "ah"

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

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

This milestone3mo–9moStanford SHQ0mo–6y012243648607284months
Milestone windowNormative study
The coral bar shows this milestone's typical age window. The bars below show the age coverage of each backing source.
Stanford SHQ →

What mastery looks like

Not yet

Shows no attempt to makes vowel sounds, such as "eh" or "ah"

  • Shows no attempt to makes vowel sounds, such as "eh" or "ah"
  • No observable behavior matching this milestone
Emerging

Occasionally or inconsistently makes vowel sounds, such as "eh" or "ah"

  • Occasionally or inconsistently makes vowel sounds, such as "eh" or "ah"
  • Requires significant support or prompting
Developing

Frequently makes vowel sounds, such as "eh" or "ah" with some support

  • Frequently makes vowel sounds, such as "eh" or "ah" with some support
  • Shows the behavior in familiar contexts
Secure

Consistently makes vowel sounds, such as "eh" or "ah" across contexts

  • Consistently makes vowel sounds, such as "eh" or "ah" across contexts
  • Performs independently without prompting
Reflexive

Readily makes vowel sounds, such as "eh" or "ah" and extends the behavior

  • Readily makes vowel sounds, such as "eh" or "ah" and extends the behavior
  • Shows flexibility and adaptation in approach

Activities for this (1)

physical2mo–10mo

Tiny Watcher

Parent observes early visual tracking, head control, early reaching, and hand exploration in a young baby. Covers thirteen early sensory and motor milestones spanning 2-10 months across visual tracking, prone lifting, midline hand play, reaching, head balance, early vocalisation, and hand-to-mouth exploration.

Formal assessments

No matching assessment items indexed yet.

Standardised assessment view

1 instrument measure this construct. The construct page shows how each one approaches it and at what age range.

View as assessment construct →