Sentences with phrase «examined differences in the number»

Researchers at Wake Forest Baptist Medical Center examined differences in the number, location, and magnitude of head impacts sustained by young athletes during various youth football practice drills.

Not exact matches

To examine geographic differences in the prevalence of HIV infection from male - to - male s@xual contact among persons aged ≥ 13 years in the United States and Puerto Rico, CDC estimated the number of HIV infections in persons newly diagnosed in 2010 and analyzed them by transmission category and location.

We examined whether different numbers of postnatal contacts were associated with any difference in treatment effect.

However, the more specimens they examined the more «variation'they uncovered, such as differences in the size and number of bones.

The study was the first randomized - controlled trial to examine the potential benefits of the low fat diet on the management of MS.. The study found no significant differences between the two groups in brain lesions detected on MRI brain scans or on other measures of MS.. But while the number of trial participants was relatively small, study leaders believe the significantly improved fatigue symptoms merited further and larger studies of the diet.

He reasoned that he could examine a limited number of genes that are present in every organism, and by comparing those and counting the differences between them, he could get quantitative measures of the similarities in any two organisms.

To measure the differences in immune system function between the two groups of older mice, the researchers examined the lungs to assess damage, counted the number of bacteria in the lungs, and calculated the number of the white blood cells (neutrophils).

Stem cell researchers from UCLA used a high resolution technique to examine the genome, or total DNA content, of a pair of human embryonic stem cell lines and found that while both lines could form neurons, the lines had differences in the numbers of certain genes that could control such things as individual traits and disease susceptibility.

The only clue indicating that differences in gene expression level are not the reason for the observed correlation between the recombination rate and the size of introns is that we do not see a comparable pattern when examining the size of exons, the number of exons per gene, and the overall size of proteins.

To first examine for differences between WT and AS mice we used Image J software to compare the relative numbers and intensity of staining of discrete PSD - 95 and SYN immunolabeled puncta in the CA1, CA3, and DG subregions (Figure S5).

Against the Clock, One Car Dominates When you examine our instrumented testing numbers, the difference in lap times becomes completely understandable.

Families in the program group had more general practitioner visits over thirty - six months, a higher proportion were up to date with well - child checks, and they were more likely to have had dentist visits.72 The Queensland program and Hawaii Healthy Start both examined the number of well - child visits and found no differences across groups.

Our article examines differences over time (1987 — 1988, 1997 — 1998 and 2001 — 2003) in the number and nature of Indigenous health publications in Australia, Canada, NZ and the US.

The pattern of results for predictors and moderators needs to be examined in the context of the overall study findings, which showed no overall difference between the minimal intervention bibliotherapy group and the therapist - led treatments, no differences in outcomes overall between the two types of therapists, nurses, and psychologists, and dose effects when parents attended a sufficient number of sessions, a number that exceeds the number of sessions that families often attend in clinic settings.

First, to address aim 1, descriptive statistics were used to examine the number, duration, forms, and frequency of interactions, and positive and negative friendship qualities with friends with and without CF. Mean differences in number of friendships with peers with versus without CF for the full sample were examined with paired - samples t - tests; paired - samples t - tests examining the remaining friendship indices (duration, interactions, and quality) were conducted among those participants who endorsed the presence of both types of friendships.

Given that significant gender differences emerge in adolescence with regards to both level of depressive symptoms and number of depressive episodes (Hankin et al. 2007), we examined whether gender moderated the relationship between perceived control and dependent interpersonal stress to predict changes in depressive symptoms over time.