Sentences with phrase «in a longitudinal study designed»

Academy participants will then receive year - round mentoring and must commit to participate in a longitudinal study designed by university researchers.

Not exact matches

Design, Setting, and Participants This descriptive, longitudinal study examined changes in the nutritional quality of 1741630 school meals at 3 middle schools and 3 high schools in an urban school district in Washington state.

We studied participants in Project Viva, a prospective, longitudinal cohort study designed to examine prenatal factors in relation to pregnancy and child health.

In «Prenatal and Early - life Fructose, Fructose - containing Beverages, and Mid-Childhood Asthma,» researchers report on 1,068 mother - child pairs participating in Project Viva, a longitudinal study based in Eastern Massachusetts designed to find ways to improve the health of mothers and their childreIn «Prenatal and Early - life Fructose, Fructose - containing Beverages, and Mid-Childhood Asthma,» researchers report on 1,068 mother - child pairs participating in Project Viva, a longitudinal study based in Eastern Massachusetts designed to find ways to improve the health of mothers and their childrein Project Viva, a longitudinal study based in Eastern Massachusetts designed to find ways to improve the health of mothers and their childrein Eastern Massachusetts designed to find ways to improve the health of mothers and their children.

«We now need longitudinal studies to confirm these findings, because if true, it may be possible to design interventions to help prevent mental health problems in some people with epilepsy.»

Design, Setting, and Participants We used data from the Health and Retirement Study (HRS), a nationally representative, population - based longitudinal survey of individuals in the United States 65 years or older from the 2000 (n = 10546) and 2012 (n = 10511) waves of the HRS.

It is a longitudinal study designed to help us improve our understanding of how memory and other thinking abilities change in people as they age, evaluating persons with and without memory problems throughout their lives.

Participants in the study came from the Teen - Longitudinal Assessment of Bariatric Surgery (Teen - LABS), a study designed to assess the short - and long - term safety and usefulness of bariatric surgery in teens.

First, quality studies in education (large sample sizes, randomized, cross-over design, longitudinal, etc.) are very expensive and rare.

«The Design and Analysis of Longitudinal Studies of Psychopathology and Development in Context: Statistical Models and Methodological Recommendations,» in Development and Psychopathology (with J. Willett, and N. Martin), (1998)

And, in fact, the longitudinal design was such that we had students in Years 3, 5, 7 and 9 at the beginning of the study, in the first year, and so at the very end of the study they were in [Years] 6, 8, 10 and 12.

At present, there are many K - 12 / university partnerships in place to support technology integration across the country (Hartshorne, Ferdig, & Dawson, 2005) but few rigorous, longitudinal studies designed to examine learning outcomes within them.

Population average models were used to account for the longitudinal study design and correlation of repeated measurements, and an interaction term between maternal education (our socioeconomic measure) and age was included in order to examine whether differences in health inequalities by age were statistically significant.

To apply this design, we turned to a second sample, the Environmental - Risk Longitudinal Twin Study (E-Risk), where we have been tracking a birth cohort of British twins since their birth in 1994 to 1995 with 96 % retention (SI Appendix).

This study benefitted from a longitudinal design, with measures repeated at each time point so that we were able to examine cross-sectional data at both time points in additional to the prospective analysis.

Although important, those results were limited by the small number of studies included in the meta - analysis (which also precluded the possibility of testing for possible moderators), and the results were also limited by the fact that only 2 of them used a longitudinal design.

This design was created in 1985 by nesting an intervention initiated in 1981 at first - grade entry, within the longitudinal panel study.

The necessary design elements for studies testing environmentally related risk factors are longitudinal study design, with - in subject comparison, and sufficient power to determine effect sizes.

Lifeways is a longitudinal cross-generation cohort study, designed to collect longitudinal life - course data in Ireland and investigate the effect of food and nutrition on health.

The strength of the study is the two - point in time longitudinal design that will enable us to investigate the relationship between stigmatising attitude towards PLWHA and professionalisation by looking at change (s) in attitudes over a time period.

To date, the immediate and lasting positive effects of quality care on language, cognitive development, and school achievement have been confirmed by converging findings from large, reasonably representative longitudinal studies and smaller, randomized trials with long - term follow - ups.1, 2,9 - 13 Contributors to this knowledge base include meta - analytic reviews of interventions and large longitudinal studies conducted in several countries.1, 2,14,15 Comprehensive meta - analyses now establish that effects of early care decline, but do not disappear, and when initial effects are large, long - term effects remain substantial.1, 2 Null findings in cognitive and social domains in a few studies may reasonably be attributed to the limitations inherent to their designs, samples, and measures.

Because status and typecasting are determined partly by the group's reaction to characteristics an individual was born with (Rowe, 1989), the best way to test this aspect of GS theory is to study within - group processes in children's groups using genetically informative longitudinal designs.

Abstract: The present study was designed to examine cross-cultural differences in longitudinal links between infant temperament toddler behavior problems in the U.S. (N = 250) and Russia (N = 129).

Designed by two prominent academics, Sara McLanahan and Irv Garfinkel, the study is a longitudinal survey of 5,000 low - income married and nonmarried parents conducted in 75 hospitals in twenty cities at the time of their child's birth.

Of the 31 intervention studies in 2001 — 2003, three were controlled experimental designs (randomised controlled trials) and 28 were non-experimental designs (15 longitudinal studies, two case — control studies, 11 single - group designs).

Of the 36 intervention studies in 1997 — 1998, nine (25 %) were controlled experimental designs (five randomised controlled trials, four non-randomised controlled trials) and 27 were non-experimental designs (four cohort or longitudinal studies, one case — control study, 22 single - group designs).

The longitudinal design of this study highlights also the usefulness of assessing different forms of antisocial behavior and affective problems at key developmental periods to identify underlying liabilities leading to APP in young adulthood.

This study investigated relations between pay - for - performance incentives designed to vary in instrumentality (annual pay - for - performance, quarterly pay - for - performance, and base pay level) and employee outcomes (self - reported work effort and turnover intention) in a longitudinal study spanning more than 2 years.

In light of the theories concerning whether the family has enduring importance we address this issue empirically by testing whether study design (cross-sectional or longitudinal), time - interval between measurements, and age of the subjects moderate the parenting — delinquency link.

T.S. conceived of and designed the study, and coordinated and drafted the manuscript; S.B.O. participated in the study's design, performed the statistical analyses, and participated in drafting the manuscript; H.S. conceived of the study, designed the original longitudinal research program, and helped with the writing of the manuscript.

In its work, the Center applies approaches such as ethnographies, case studies, design experiments, randomized experiments, research design, and longitudinal research.

Because of the waiting - list control group design that was employed by most of the studies» authors (due to ethical concerns about not offering treatment to children assigned to control groups), longitudinal follow - up often was not possible because the untreated control group participated in the program (s) shortly after completion by the original participants.

The authors thank their coinvestigators who worked with them on the design of the larger study, the site coordinators and research assistants who collected the data, and the children and families who continue to participate in this longitudinal study.

Well designed longitudinal studies, both naturalistic and intervention, mainly in clinical samples, are needed to further delineate developmental trajectories, their predictors, and how CU traits alone or interacting with behavioural symptoms predict the outcomes.

Still, given the cross-sectional nature of much of the extant literature in the field, this study's longitudinal design represents an important step toward more fully transactional models.

This type of natural experiment, combining a longitudinal design with a twin differences design, provides one of the most powerful approaches that can be applied to study how substance use affects brain development, and in turn, how impaired brain development affects subsequent mental health and psychological adjustment in adulthood.

The data are from a large - scale longitudinal study of behavioral problems in preschool children starting at age 3 who were screened for behavior problems and followed - up annually until age 5 (the design procedure is detailed in [35]-RRB-.

To start with, the design allowed for longitudinal analyses on the associations between parent — adolescent relationships and adolescent friendships with respect to perceived parental support, perceived conflict with parents, and perceived parental power in parent — adolescent relationships, thereby extending current knowledge based mainly on cross-sectional studies.

Meanwhile several studies using cross sectional as well as longitudinal designs have confirmed bidirectional associations between deficits in dyadic coping and depression (Bodenmann et al., 2004, 2008; Coyne, Thompson & Palmer, 2002; Cranford, 2004).

Strengths of this study include the use of a large population - based sample linked with longitudinal administrative health data, the use of a prospective design, the consideration of a variety of potential confounders including coinciding health behaviours, socio - demographic factors and self - esteem, the use of health care provider diagnoses for internalizing disorders which provides an objective and clinically meaningful assessment of internalizing disorders, and lastly, the fact that we monitored the outcome of interest for a period of 8 years, which is longer than in the few other studies.

First, the sample size was modest, which might have been due to the methodological complexity of this study, as the study design required a heavy time commitment by the families (observational data, longitudinal design, and measurement of variables in both parents together).

Using a cross-lagged longitudinal design in two samples of late (Study 1, N = 396) and middle (Study 2, N = 724) adolescents, this study compared three models, that is, a psychological control effects model, an adolescent adjustment effects model, and a reciprocal mStudy 1, N = 396) and middle (Study 2, N = 724) adolescents, this study compared three models, that is, a psychological control effects model, an adolescent adjustment effects model, and a reciprocal mStudy 2, N = 724) adolescents, this study compared three models, that is, a psychological control effects model, an adolescent adjustment effects model, and a reciprocal mstudy compared three models, that is, a psychological control effects model, an adolescent adjustment effects model, and a reciprocal model.

C.M.G. conceptualized the study as a part of her postdoctoral work, conducted the literature review, coded autonomy support in 30 % of the sample for reliability testing, performed all statistical analyses, wrote and revised the manuscript; B.H. helped conceptualize the study as a part of her Master's work, coded autonomy support in the entire sample, and participated in the writing, editing and revising of the manuscript; D.M.S. participated in the conceptualization of the present study, helped with the writing in both the original and revised versions of the paper in her role as supervisor, supervised the data collection and conceptualized, designed and implemented the larger study of which the present study is only a part (the Concordia Longitudinal Risk Project); L.A.S. supervised the data collection and conceptualized, designed and implemented the larger study of which the present study is only a part.

Vulnerability (to post-natal depression)(Boyce et al., 2001) was also explored by one study (Fisher et al., 2008) using a longitudinal design and found to predict depression in late pregnancy.

The most common personality subscale explored was neuroticism (five studies, all longitudinal in design).

The Avon Longitudinal Study of Children and Parents (ALSPAC) is an ongoing study designed to understand the relationship between environmental and biological risk factors and health and development in children and parStudy of Children and Parents (ALSPAC) is an ongoing study designed to understand the relationship between environmental and biological risk factors and health and development in children and parstudy designed to understand the relationship between environmental and biological risk factors and health and development in children and parents.

Longitudinal or intervention designs need to be considered in future studies on mother — child interaction behavior.

Future longitudinal studies of the relationship between loneliness, depressive symptoms, and suicide ideation in adolescence should use more extensive designs.