Random sampling selects participants using chance, which supports generalizability and reduces selection bias. In schools, this might involve randomly choosing classrooms or students from rosters.
When feasible, pair random sampling with standardized Puppet Interview administration to strengthen validity. Document procedures for reproducibility.
Related
Peer-Reviewed Research
Evaluation of a puppet interview to measure young children's self-reports of temperament
Roth et al., Behaviour Change (2004)
Longitudinal changes in preschoolers' self-reported psychological and social problems: Feasibility, reliability, and cross-informant agreement
Chan et al., Child Psychiatry & Human Development (2025)
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