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School-based research designs in the 1990s often require that a large number of schools be recruited to participate in studies. Therefore, effective recruitment and maintenance of schools becomes an important activity for ensuring the integrity of the study design. The Child and Adolescent Trial for Cardiovascular Health (CATCH) is the largest school-based(More)
This paper discusses the challenges faced when collecting process evaluation information in a school-based, multicenter field trial. Experiences from the Child and Adolescent Trial for Cardiovascular Health (CATCH) are shared as a means of illustrating the challenges that are presented and ways of meeting the challenges. The scope and magnitude of the trial(More)
The Child and Adolescent Trial for Cardiovascular Health (CATCH) is an elementary school cardiovascular health education field trial in progress in San Diego, California, New Orleans, Louisiana, Minneapolis, Minnesota, and Austin, Texas. Because a significant part of a child's health behaviors are shaped within the home, CATCH is evaluating whether the(More)
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