Psychological Correlates of Developmental Delays in Preschool Children

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Conditions studied: Development Delay, Child Development, Social Functioning, Speech Delay

In brief

The goal of this observational study is to investigate perinatal, cognitive, linguistic and social-emotional correlates of developmental delays of preschool children. The study group consist of minimal 500 children between 3 and 6 years of age who will be examined by qualified diagnosticians. Participants will be evaluated with tasks related to the studied variables: cognitive functioning, linguistic skills and social-emotional functioning. Furthermore informations regarding social-emotional functioning of children, will be collected from parents. The main questions it aims to answer are: 1. Is there a relationship between perinatal factors and risk of occurrence of developmental delay disorder? 2. Is there a specific pattern of cognitive functioning in preschool children with indicated developmental delay disorder? 3. Is there a specific pattern of social-emotional functioning in preschool children with indicated developmental delay disorder? 4. Do gender and age moderates specific patterns of cognitive and socialemotional functioning in the studied groups? Researchers will compare the following groups of children between 3 and 6 years old: 1. With perinatal risks factors 2. With developmental delay disorder: 1. children with early intervention 2. children with delayed speech development 3. Control group

Key facts

Study ID

NCT07420829

Run by

Bartosz M. Radtke

People needed

500

Starts

2025-09-01

Expected to finish

2027-01-01

Last updated by the study team

2026-02-19

Who can join

Age: 3 and older, up to 6. Sex: any. Healthy volunteers: accepted.

You may qualify if…

• Children aged 3 to 6 years at the time of assessment.
• Attendance at preschool education.
• Written informed consent provided by a parent or legal guardian.
• Ability to participate in standardized psychological assessment.
• Assignment to one of the predefined study cohorts based on developmental history and clinical information.

You may not qualify if…

• Age below 3 years or above 6 years.
• Severe acute medical condition preventing participation.
• Severe uncorrected sensory impairment interfering with valid assessment.
• Lack of parental informed consent.

Where it is running

• Laboratory of Psychological and Educational Tests — Gdansk, Pomeranian Voivodeship, Poland (enrolling)

Full record on ClinicalTrials.gov

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