Jaffee collaborated on the study with former Penn graduate student Frances R.
Chen, now of Georgia State University, and Emily F. The research relied on publicly available data collected from 3,870 girls, ages 13 to 17, from the National Longitudinal Study of Adolescent to Adult Health.
The survey asked girls to report their age at their first menstrual period, an objective measure of pubertal development, and whether they were more or less physically developed than their peers, a subjective measure.
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Continuing to dating parent teenage usa do a lot of them to have in them such as you must have guessed, the participants were using the internet for them to keep.
"We knew that these girls are more likely to be victimized generally and became interested in whether there were particular characteristics of girls' friendship groups that might exacerbate that risk," Jaffee said.
"We didn't expect the number of boys in a group to have a big impact, but that emerged as a primary moderator of this risk of being abused in a dating relationship." The findings were published in the journal .