Overstating the Behavioral Effects of the Seattle Social Development Project
Arch Pediatr Adolesc Med. 2002;156:1155-1156.
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I would like to raise 2 issues regarding a recent report of the effects of the Seattle Social Development Project (SSDP) on sexual behavior and an accompanying editorial in the ARCHIVES.1-2
First, the article reports data from 144 subjects (the "full-intervention" group) who participated in the SSDP program in grades 1 through 4 as part of a randomized experiment and continued in the intervention condition in fifth grade when the study changed to a quasi experiment. The article states that the SSDP has exhibited "consistently high sample retention rates," with 93% of subjects followed up at age 21 years. For the full-intervention group, the follow-up rate was calculated using the 156 fifth-graders who had parental consent to participate in the quasi experiment as a "baseline." However, involvement of these subjects in the study commenced 4 years earlier. Previous reports from the SSDP do not give the sample size of the . . . [Full Text of this Article]
THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES
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Assessing Outcomes of Prevention Interventions
Gorman
Psychiatr. Serv. 2003;54:1548-1548.
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