Maximizing Efficiency of Enrollment for School-Based Educational Research.

摘要: In this observational study, influences on research enrollment were examined in the context of an educational study. Recruitment materials sent to parents kindergartners one 23 classes across 7 public schools, as invitation enroll a longitudinal For from 2 school principal prepared cover letter introduction Inclusion was associated with significantly swifter pace recruitment and, lesser degree, increase number children enrolled. However, when potential confounding variables controlled, no significant final count including letter. Thus, inclusion did not appear dramatically who elected their child and it decrease (by 6 weeks) weeks required achieve counts.