The Kruskal-Wallis nonparametric test examined overall knowledge differences between the treatment and comparison groups
for the posttest.
When the dataset was split by early enrollees versus later enrollees (first half of the enrollment period versus the latter half), the pattern held for both comparisons, but was statistically non-significant for the historical comparison: for early enrollees, the increases in mean earnings gaps over the contemporaneous and historical comparison groups
in the first year after enrollment were $361 (p < .
In our study, most children in both intervention (78%) and comparison groups
(93%) were breastfed during their illnesses.
01), indicating a difference between the comparison group
Differences in the residual trend (the coefficient on the time variable) in earnings are large, and make up by far the largest component of the wage decline for RNs relative to both comparison groups
Strachan and Gorey (1997) investigated the impact of BTIO on adolescents' attitudes and beliefs about what their future might be like as teen parents; after three days with the dolls, 90% of the sample scored higher on a measure of realistic parenting expectations than did the average adolescent in the comparison group
Women in the comparison group
were allowed to participate in the second treatment group, which consisted of 10 inmates.
The need is to show the two groups are sufficiently similar at the point the Ilderton group started at Ilderton, for the subsequent offending of the comparison group
to indicate how the Ilderton group might have acted had they not attended.
Tests of simple main effects revealed that the comparison group
performed better than the dyslexics on the analogous words (F(1, 44) = 76.
The difference between the treatment and comparison groups
following treatment was not significant.
No decrease in depression levels occurred in either of the comparison groups
not attending the specialized camp program.
When measured against changes in dental care use in the three comparison groups
, dental care use in expansion states with adult dental benefits increased anywhere from 2 to 6 percent points in the second half of 2014, but most of the changes were not statistically significant.