Toddlers' Responses to Strangers

NCT06550206 | Recruiting

• 1 other identifier: HS-FY2023-23
• Study Type: observational
• Target: 100
• Locations: 1 country
• Sites: 1

Brief Summary

The study will assess if toddlers show differences in stranger wariness according to race, temperament, social network diversity, and neighborhood diversity.

Conditions

Social Behavior

Outcome Measures

Primary Outcomes (2)

• Social Wariness

  children's social wariness as assessed by the time that the child first vocalized, touched the stranger, and the duration of time that the child stayed near their parent in seconds standardized and averaged to create a composite score.

  Through study completion, an average of 10 years

• Social Preference

  Social preference will be coded by observing toddler behavior and assigning the following codes: 1 = did not take the toy from either stranger, 2 = took toy from familiar race stranger, 3 = took toy from unfamiliar race stranger, 4 = took toy or played with both strangers simultaneously.

  Through study completion, an average of 10 years

Interventions

Children's stranger wariness response to strangers BEHAVIORAL

Children will see two strangers, one from a familiar racial background and one from an unfamiliar racial background. Familiar race stranger will be from the same racial background as the child's caregiver and unfamiliar race stranger will not.

Also known as: Social bias

Eligibility Criteria

• Age: 13 Months - 24 Months
• Sex: all
• Age Groups: Child (0-17)
• Sampling Method: Non-Probability Sample

Study Population

Community sample from the larger Santa Cruz area

You may qualify if:

• typically developing
• age 13-24 months

You may not qualify if:

• \- any known developmental delays

Sponsors & Collaborators

• University of California Santa Cruz: lead
• New York University: collaborator
• University of Maryland, College Park: collaborator

Study Sites (1)

Social Science 2 Building

Santa Cruz, California, 95064, United States

RECRUITING

Related Publications (1)

• Hwang HG, Filippi CA, Morales S, Fox NA, Woodward A. Children's social wariness toward a different-race stranger relates to individual differences in temperament. Dev Sci. 2023 Nov;26(6):e13390. doi: 10.1111/desc.13390. Epub 2023 Mar 24.

  PMID: 36960937 BACKGROUND

MeSH Terms

Conditions

Social Behavior

Condition Hierarchy (Ancestors)

Behavior

Study Officials

• Hyesung Hwang, PhD

  University of California Santa Cruz

  PRINCIPAL INVESTIGATOR

Central Study Contacts

Seaera Juarez, BS

CONTACT

(760) 895-3878; serjuare@ucsc.edu

Study Design

• Study Type: observational
• Observational Model: CASE ONLY
• Time Perspective: CROSS SECTIONAL
• Sponsor Type: OTHER
• Responsible Party: SPONSOR

Study Record Dates

• First Submitted: August 6, 2024
• First Posted: August 12, 2024
• Study Start: July 30, 2024
• Primary Completion: October 1, 2025
• Study Completion: October 1, 2025
• Last Updated: March 11, 2025

Record last verified: 2025-03

Data Sharing

• IPD Sharing: Will share
• Shared Documents: STUDY PROTOCOL, SAP, ANALYTIC CODE
• Time Frame: The data will become available within a period of 10 years. Anonymized aggregate data will be available indefinitely. No identifiable data will be shared.
• Access Criteria: All anonymized data will be available once study has been published and will be available indefinitely.

Locations

US (1)