Second, although we investigated sex and the presence of siblings, there may be other
significant background variables that differentiate among the trajectory groups, especially as potential risk factors for the chronically low social skill group, for example, parental income and education.
Not exact matches
I found that few
variables from a principal's
background had a statistically
significant relationship with outcomes such as student math and reading scores, attendance, and principal retention at the school or district level.
These effects remained
significant when controlling for personal
background variables; importantly, the influence of question wording was not moderated by any of them (Fs < 1.13, ns, for all interactions).
The results are as follows: There are no
significant difference in nearly all
background variables except sex on adjustment to university and social support.