Sentences with phrase «longitudinal models used in the study»

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We chose to model the effects on body weight because good evidence (from both trials and epidemiological studies) links regular consumption of sugar sweetened drinks to weight gain.8 10 12 Moreover, data from longitudinal studies support the idea that changes in the price of sugar sweetened drinks are linked to changes in body weight.20 Other groups have used this form of modelling to estimate the effects of a sugar sweetened drink tax on obesity.18 21 22

More broadly, updated longitudinal studies of the natural history of hypertension, diabetes, and cardiovascular disease are needed, because the data from the National Health and Nutrition Examination Survey that we used in our model are somewhat dated.

«Modeling the Days of Our Lives: Using Survival Analysis When Designing and Analyzing Longitudinal Studies of Duration and the Timing of Events,» in Psychological Bulletin (with J.D. Singer), (1991)

The effectiveness of the model has been studied in over 20 years of research and field - testing about: (a) the effectiveness of the model as perceived by key groups, such as principals, teachers, students, and parents; (b) research related to student creative productivity; (c) research relating to personal and social development; (d) the use of SEM with culturally diverse or special needs populations; (e) research on student self - efficacy; (f) the use of SEM as a curricular framework; (g) research relating to learning styles and curriculum compacting; and (h) longitudinal research on the SEM.

In this study, the researcher used longitudinal data on student attendance patterns from a large urban school district to model trajectories over time and categorize students into groups based on their attendance patterns from 1st through 8th grades.

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 evaluate the three possible explanations, we used model - fitting procedures applied to parent - rating data averaged across 14, 20, 24, and 36 months of age in a sample of 196 twin pairs participating in the MacArthur Longitudinal Twin Study.

This model was developed for use in this study and applied to a longitudinal investigation of the early development of romantic relationships.

Results from a series of structural equation models, with a constructed latent variable of school attachment, using a national longitudinal study of over 9,000 U.S. adolescents and their subsequent... career choices in their late 20 s, reveal a pattern of entrepreneurial development.

Therefore, future research could benefit from the use of longitudinal studies which may offer insight into how early parenting behaviours act as predictors of later relationship functioning while also monitoring changes in an individual's internal working model of attachment over time [13][21].

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.

Using a longitudinal sample of boys (N = 503) repeatedly assessed eight times across 6 - month intervals in childhood (in a range between 6 and 13 years), the current study is the first to use novel within - individual change (fixed effects) models to examine whether parents tend to increase their use of maladaptive parenting strategies following an increase in their son's externalizing problems, or vice versa.

With longitudinal data from the NICHD Study of Early Child Care and Youth Development (n = 1,298), first - difference models reveal that family structure transitions are associated with changes in the type and quantity of early care as well as the number of care arrangements used, especially during the latter part of infancy.

Identification of developmental trajectories of social withdrawal in male adolescents: A two - year longitudinal study using growth modeling.

The longitudinal study described in this article explored different developmental trajectories of social anxiety in a nonclinical sample, spanning adolescence through emerging adulthood, using the growth mixture modeling technique.