This prospective, quasi-experimental study evaluated how the COVID-19 pandemic influenced children's social and emotional development by examining trajectories of child psychopathology across pre- and post-pandemic periods. The investigation used multi-method and multi-informant data collected across six waves spanning approximately eight years to isolate pandemic-specific effects above normative developmental change. The authors highlighted internalizing problems (emotional struggles such as sadness and anxiety) as a primary outcome and tested parenting characteristics as potential moderators of pandemic impact.
The design combined longitudinal tracking with targeted post-lockdown data collection to strengthen causal inference about pandemic-related change. The study implemented three focused waves after early pandemic lockdowns to capture acute and near-term pandemic disruptions while leveraging prior waves for baseline trajectories. Analytic approaches modeled both linear developmental growth and an added COVID-related growth component to determine whether pandemic exposure produced increases in psychopathology beyond expected age-related trends.
Participants were 310 low-to-middle-income families from the United States enrolled in the longitudinal study. The cohort included a target child followed across six waves: Wave 1 mean age (Mage) = 2.97 years (SD = 0.38) and Wave 6 Mage = 9.32 years (SD = 0.76). The sample was 55.3% girls. Racial composition reported in the source included 55.2% White, 21.3% African American, and 16.2% mixed race. The authors did not report additional details beyond these characteristics in the source abstract.
The study used multi-method, multi-informant measures to assess child psychopathology across waves. Specific measurement instruments and informant sources were not listed in the abstract; the source states only that multi-method and multi-informant approaches were employed. The study also assessed parenting characteristics prior to the pandemic to evaluate moderation. The key parenting constructs reported in the abstract were paternal structure and consistency and parental secure-base provision.
Analyses modeled longitudinal trajectories over eight years and separated normative linear growth from an additional COVID-related growth component to quantify pandemic-specific effects on child psychopathology. Moderation analyses tested whether pre-pandemic parenting characteristics altered the association between COVID impact and the growth of internalizing problems. The source abstract does not provide detailed statistical parameters, model specifications, or effect sizes.
Findings showed that children exhibited significant linear growth in internalizing problems across the observation period. Importantly, the models identified a COVID-related growth effect above and beyond this linear developmental trend, indicating that pandemic-related disruptions contributed additional increases in internalizing symptoms. The abstract frames these internalizing problems as emotional difficulties, including sadness and anxiety.
Pre-pandemic parenting moderated the relationship between COVID impact and increases in child internalizing problems. Specifically, two pre-pandemic parenting characteristics intensified the pandemic-associated growth in internalizing symptoms:
Under conditions of high pandemic impact, children who experienced these lower-quality parenting features showed larger increases in internalizing problems. Conversely, under low pandemic impact, those same children demonstrated smaller increases in internalizing symptoms. The source characterizes this pattern as heightened sensitivity to environmental conditions among children receiving less consistent rules and less emotional reassurance from parents.
The study prospectively tracked children's mental health from early preschool into middle childhood and added targeted data collection after early COVID-19 lockdowns to robustly assess pandemic effects. Overall, pandemic-related disruptions were associated with increased emotional problems—primarily sadness and anxiety—above what would be expected from normal developmental trajectories. Parenting shaped children's responses: children who had less consistent paternal structure and weaker parental secure-base support before the pandemic were more sensitive to the level of pandemic stress, showing the greatest increases in internalizing problems when pandemic impact was high and fewer problems when impact was low.
The authors declared no conflicts of interest in the source document.