Sentences with phrase «major study variables»

Baseline demographic characteristics and pre-intervention scores of the major study variables.

Not exact matches

Maternal smoking during pregnancy is a major risk factor in almost every epidemiologic study of SIDS.201, — , 204 Smoke in the infant's environment after birth is a separate major risk factor in a few studies, 202,205 although separating this variable from maternal smoking before birth is problematic.

He has particular interests in (1) the use of ancient DNA methods to document changes in genetic variation through time and phylogenetic relationships of extinct or endangered organisms (especially of the recently extinct Hawaiian avifauna); (2) the use of highly variable genetic markers to measure genetic structure and relatedness, and to ascertain mating systems, in natural populations, and (3) the use of genetics to study the evolutionary interactions between hosts, vectors and infectious disease organisms (e.g., major projects on introduced avian malaria in native Hawaiian birds and invasive chytrid fungus in amphibians).

I think antidepressant use, being a night owl, and sleep disorders are MAJOR confounding variables in such studies, and may even be the primary reasons for low cortisol levels.

These are all major confounding variables in the studies which have tried to link abnormal cortisol patterns to various diseases (including chronic fatigue / burnout).

«One major new study shows that 54 of 64 school variables — attendance, grades, discipline, test scores, and so on — are better with a year - round calendar than with traditional calendars.

First, while the Perry Preschool results are based on a randomized design, the CPC study, led by Arthur Reynolds and Judy Temple, used a quasi-experimental group without a pre-test for major outcome variables.

Thus, for the variables evaluated in this study, animals in group II and III showed major similarities when compared to group I.

The lack of any direct link between BC17's predictor variables and measures of dOLR / dT and dOSR / dT is indeed a very major weakness of the study.

Learners focus on becoming educated consumers of research and examine major concepts and techniques of social science research, including problem formulation, identification of variables, literature review, research design, sampling, definition and measurement of study variables, instrument construction, and data collection and analysis.

The data were analyzed to determine whether families who left the study were different with respect to major demographic factors (eg, age, race, or gender) and / or baseline clinical variables (eg, Pediatric Risk of Mortality scores or mothers» trait anxiety), as well as the BASC measures before the 12 - month follow - up assessment.

The MSI was created to provide a single primary outcome variable when studying children with major mood disorders.

This 9 month prospective study, conducted at the US Army Sergeants Major Academy (USASGMA), examined the association of selected psychological variables (e.g., measures of tension / anxiety, sleep disturbance, Type A behavior pattern) with injury occurrence and physical performance in 126 soldiers.

A second major focus in the current study regarded the interactions between personality variables and aspects of the social context in which crying typically occurs.

Participants of this assessment did not differ significantly from the non-participants in terms of the major variables studied at 15 months, except for parental ego - resiliency, with primary caregivers who did not participate showing lower levels of ego - resiliency than those who did participate (t = 2.08, p <.05).