Thirty years later

Locating and interviewing participants of the Chicago Longitudinal Study

Suh-Ruu Ou, Christina F. Mondi, Sangok Yoo, Kyungin Park, Brianne Warren, Arthur J Reynolds

Research output: Contribution to journalArticle

Abstract

Retaining study participants over time is essential for longitudinal studies to prevent selection bias and to achieve their long-term goals. The present paper examines the extent to which participants can be retained in a 30-year longitudinal study when a multi-pronged approach is employed. The paper specifically describes the approach that was used to locate and interview participants of the Chicago Longitudinal Study (CLS), three decades after the study began. The CLS is a prospective cohort investigation that examines the effects of the Child–Parent Center (CPC) program, a school-based intervention for low-income children from preschool through 3rd grade. The original CLS sample included a complete cohort of 1539 children who were born in low-income areas in 1979–1980 and attended kindergarten in 1985–1986 at Chicago Public Schools. The CLS conducted a follow-up survey when participants were approximately age 35. After relatively slow initial progress, CLS researchers developed a comprehensive strategy to locate and interview participants, including: (a) adoption of detailed, manualized tracking protocol, (b) utilization of multiple search platforms, ranging from public search engines to social media, (c) assistance from state correctional facilities, and (d) neighborhood canvassing and in-person interviews. This tracking and interview process facilitated 735 completed interviews within 27 months, compared to 370 completed interviews in the 32 months prior to the launch of the comprehensive tracking protocol. Altogether, 1105 interviews were conducted, representing an effective completion rate of 76.5%. Recommendations for strengthening response rates in other longitudinal studies are discussed.

Original languageEnglish (US)
Pages (from-to)1-13
Number of pages13
JournalEarly Childhood Research Quarterly
Volume51
DOIs
StatePublished - Apr 1 2020

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Longitudinal Studies
longitudinal study
Interviews
interview
low income
Social Media
Search Engine
Selection Bias
Preschool Children
social media
kindergarten
search engine
school
assistance
school grade
utilization
Research Personnel
human being
trend

Keywords

  • High-risk population
  • Locating participants
  • Longitudinal study
  • Retention

Cite this

Thirty years later : Locating and interviewing participants of the Chicago Longitudinal Study. / Ou, Suh-Ruu; Mondi, Christina F.; Yoo, Sangok; Park, Kyungin; Warren, Brianne; Reynolds, Arthur J.

In: Early Childhood Research Quarterly, Vol. 51, 01.04.2020, p. 1-13.

Research output: Contribution to journalArticle

Ou, Suh-Ruu ; Mondi, Christina F. ; Yoo, Sangok ; Park, Kyungin ; Warren, Brianne ; Reynolds, Arthur J. / Thirty years later : Locating and interviewing participants of the Chicago Longitudinal Study. In: Early Childhood Research Quarterly. 2020 ; Vol. 51. pp. 1-13.
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