Bayley Scales of Infant and Toddler Development (Bayley 4)

A set of flashcards covering key concepts and details from the Bayley Scales of Infant and Toddler Development (Bayley 4) lecture notes.

What is the purpose of the Bayley Scales of Infant and Toddler Development?

To help professionals detect developmental delays or disabilities early.

How many key developmental domains are assessed by the Bayley 4?

Five key developmental domains.

What are the five domains included in the Bayley 4 assessment?

Cognitive, Language, Motor, Social-Emotional, Adaptive Behavior.

What is the total number of items in the Bayley 4 assessment?

419 items.

Which scale in the Bayley 4 contains the most items?

Adaptive Behavior Scale with 120 items.

What scoring system is used in Bayley 4 assessments?

Items are scored from 0 to 2.

What does a score of 1 indicate in the Bayley 4 scoring?

Skill is emerging/perform the skill sometimes.

What is the time requirement for administering the Bayley 4?

30-70 minutes depending on the child's age.

What age range does the Bayley 4 assess?

From 16 days to 42 months.

What is a key psychometric property of the Bayley 4?

Excellent internal consistency for pediatric normative samples.

What approach is this assesment?

Bottom up approach - observing how the child acts and performs including criteria scores.

Is this a standardized assesment?

Yes.

Is professional judgement needed to asses this?

yes.