Clinical assessmentLicensed
Bayley-4
Pearson Clinical Assessment · 2019
Clinical Assessment Instrument
This instrument is used by paediatricians and developmental specialists to evaluate individual children. We map its assessment constructs to our canonical developmental milestones.
Countries
1
USA
Age range
Birth
to 3 yr 6 mo
Milestones covered
30
in our corpus
Coverage by age & domain
Each cell shows how many items this source covers in that age band and developmental category. Darker = more coverage.
| 0–12mo | 12–24mo | 24–36mo | 36–48mo | 48–60mo | 60mo+ | |
|---|---|---|---|---|---|---|
| Body | 4 | 7 | 5 | 4 | 4 | 1 |
| Mind | 3 | 10 | 6 | 1 | 1 | 1 |
| Heart | 6 | 5 | 4 | 2 | 2 | 2 |
Domains assessed
CognitionLanguageMotorSocial & emotionalAdaptive behaviour
How we used it
30 items mapped to canonical milestones via construct_mappings (stub mapping; full item-level mapping pending).
Citation
Bayley, N. (2019). Bayley Scales of Infant and Toddler Development, Fourth Edition. Pearson Clinical Assessment.
Bayley-4 is a trademark of Pearson Clinical Assessment. Item text is not reproduced on this page.
Bayley-4 is a trademark of Pearson Clinical Assessment. Item text not reproduced.
Developmental milestones (30)
Canonical milestones in our developmental ontology that cite this source.
- Object Permanence with Searchmilestone · 4–18mo
- Bottle Dumping (Without Demonstration)skill · 17–26mo
- Facial and Body Gesture Imitationskill · 19–26mo
- Joint Attentionmilestone · 6–36mo
- Scribbling Through Imitationmilestone · 11–20mo
- Name Recognition and Responsemilestone · 7–12mo
- Following Simple Directionsskill · 12–24mo
- Seven Body Part Identificationmilestone · 20–36mo
- Two-Word Phrase Imitationskill · 14–24mo
- Naming Picturesknowledge · 18–28mo
- Multimodal Communicationskill · 12–96mo
- Fine Motor Precision and Controlmilestone · 7–60mo
- Block Stackingskill · 12–18mo
- Independent Page Turningmilestone · 15–20mo
- Controlled Head Lowering in Pronemilestone · 3–5mo
- Crawling Positionmilestone · 5–12mo
- Independent Walkingmilestone · 9–24mo
- Climbing and Vertical Movementmilestone · 18–60mo
- Kicking in Non-Dynamic Practice Tasksskill · 16–96mo
- Seeks physical proximity to primary caregivermilestone · 0–6mo
- Smiles responsively at caregiver's face and voicemilestone · 2–4mo
- Sustains mutual gaze with caregivermilestone · 0–6mo
- Participates in serve-and-return exchanges with caregiverskill · 0–24mo
- Initiates joint attention toward objects or eventsmilestone · 6–12mo
- Emotional Self-Regulationmilestone · 24–72mo
- Using Eating Utensilsskill · 12–60mo
- Independent Cup Drinkingskill · 16–30mo
- Independence and Self-Help Skillsskill · 18–84mo
- Imitate Household Activitiesskill · 16–28mo
- Nurturing Play With Dolls/Stuffed Animalsskill · 14–30mo