Data from cluster randomized trials do not always have a pure hierarchical structure. For instance, students are nested within schools that may be crossed by neighborhoods, and soldiers are nested within army units that may be crossed by mental health-care professionals. It is important that the random cross-classification is taken into account…

This response to intervention study examined agreement between classification methods of preschool children's responsiveness to Tier 2 intervention using level of performance (25th percentile), growth (equivalent to small and medium effect sizes), and both level of performance and growth in a dual-discrepancy approach. Overall, 181 children…

Cerebral palsy (CP) is the most common physical disability in children. These children require long-term therapy for achieving better motor function. It seems that treatment and training at home is necessary. The purpose of this study was to determine the impact of handling training of mothers at home on fine motor skill development of children…