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The problem
Intervention: No intervention tested; this is an observational study examining the psychological pathways linking parental conflict to children's sleep problems
Who it was tested with: 900 upper-grade primary school children in China (mean age 10.58 years, SD 0.81); qualitative interviews with 23 of these children.
Experience from people who deliver programmes: stories, case studies and lessons learned. Valuable for understanding how and why, and for spotting what to test next, but not a measure of effect.
"This study employed a quantitatively driven explanatory sequential mixed-methods design combining questionnaire survey data with child interviews." The study documents associations and mediating pathways but does not test an intervention, making it a descriptive evidence study rather than an intervention evaluation. The outcome direction is INCONCLUSIVE because the document identifies mechanisms (not an intervention) by which a risk factor (parental conflict) affects sleep, without testing whether addressing these mechanisms improves outcomes.
Cross-sectional quantitative design prevents causal inference; small qualitative sample (23) relative to quantitative sample (900) limits depth of contextual understanding; self-report measures susceptible to response bias.
Across countries and designs
40 studies · 42 countries
