Understanding early development in infants and toddlers

Is this trial a fit for you?

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This observational study enrolls infants and young children from 16 days to 42 months for a single, standardized diagnostic session conducted by qualified specialists. Assessments combine age-appropriate standardized tasks, direct behavioral observation during play and natural interaction, and parent- or caregiver-reported questionnaires about everyday functioning. Basic medical and perinatal history is recorded and participants are assigned to predefined cohorts (general population, developmental delay, confirmed genetic conditions, various prematurity groups, or cerebral palsy). Data will be used to map developmental profiles across cognitive, language, motor, social-emotional, and adaptive domains during the earliest years.

Why it matters

Who can join: the full rules

Inclusion Criteria:

* Infants and young children aged from 16 days to 42 months at the time of assessment.
* Participation of a parent or legal guardian able to provide informed consent.
* Child's ability to participate in a standardized developmental assessment appropriate for age and developmental level.
* Availability of basic medical and perinatal information provided by parents or caregivers.
* Assignment to one of the predefined study cohorts based on medical history and developmental status:

children from the general population (control group), children with developmental delay, children with confirmed genetic conditions, children born preterm between 33 and 37 weeks of gestation, children born before 33 weeks of gestation, children with a diagnosis of cerebral palsy.

Exclusion Criteria:

* Severe acute medical condition at the time of assessment preventing participation in the psychological evaluation.
* Uncorrected severe sensory impairments (e.g., profound visual or hearing impairment) that preclude valid administration or interpretation of the developmental assessment.
* Medical instability or conditions requiring immediate intensive medical care.
* Lack of informed consent from a parent or legal guardian.
* Inability of the parent or caregiver to provide reliable information required for questionnaire-based assessment.

Where it's running

• Laboratory of Psychological and Educational Tests
  Gdansk, Pomeranian Voivodeship, Poland Recruiting

Study contacts

• Principal investigator: Urszula Sajewicz-Radtke, Ph.D. — Laboratory of Psychological and Educational Tests
• Study coordinator: Rafał Nowicki, M.A.
• Email: nowicki@pracowniatestow.pl
• Phone: +48509805591

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How to take part

1. Review the eligibility criteria above with your treating physician.
2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.