The Physical Self in Motion: Within-Person Change and Associations of Change in Self-Esteem, Physical Self-Concept, and Physical Activity in Adolescent Girls

2014 ◽  
Vol 36 (6) ◽  
pp. 551-563 ◽  
Author(s):  
Magnus Lindwall ◽  
Hulya Asci ◽  
Peter Crocker
Keyword(s):  
Physical Activity ◽  
Adolescent Girls ◽  
Self Esteem ◽  
Latent Growth Curve ◽  
Latent Growth ◽  
Growth Curve Models ◽  
Latent Growth Curve Models ◽  
Self Perceptions ◽  
Body Attractiveness ◽  
Activity Questionnaire

The purpose of this study was to examine patterns of within-person change, and associations of change, in global self-esteem (GSE), physical self-perceptions (PSP), and physical activity in a sample of 705 Canadian adolescent girls over three measurements points and 24 months. The Physical Self-Perceptions Profile (PSPP) was used to measure GSE and PSP, and the Physical Activity Questionnaire for Adolescents (PAQ-A) was used to assess physical activity. Latent growth curve models were used to analyze the data. All PSP variables except for body attractiveness demonstrated significant average decline, but also significant was the change in between-person heterogeneity. Change in GSE and PSP was moderately to strongly related on a between-person level and weakly to moderately associated on a within-person level. Change in physical activity was related to change in the majority of the PSP variables but not to change in GSE.

scholarly journals The Mindful Adolescent: Developmental Changes in Nonreactivity to Inner Experiences during the Transition to High School, and Relations to Stress and Positive Affect

2018 ◽  
Author(s):  
Brian Galla ◽  
Eli Tsukayama ◽  
Daeun Park ◽  
Alisa Yu ◽  
Angela Duckworth
Keyword(s):  
High School ◽  
Middle School ◽  
Positive Affect ◽  
Perceived Stress ◽  
Growth Curve ◽  
Developmental Change ◽  
Latent Growth Curve ◽  
Latent Growth ◽  
Growth Curve Models ◽  
Latent Growth Curve Models

Little is known about the naturalistic development of mindfulness in adolescence, and whether changes in this mental faculty are associated with perceived stress and emotional well-being. The current longitudinal study examined the development of one dimension of mindfulness, nonreactivity to inner experience, in a racially and socioeconomically diverse sample (N = 1,657) during the transition from middle school to high school. Students participated in up to four assessment waves, from fall of 8th grade through spring of 9th grade, during which they completed self-report measures assessing nonreactivity, perceived stress, and positive affect. Latent growth curve models indicated that levels of nonreactivity increased linearly during the two-year study period. Developmental change in nonreactivity varied minimally by gender, socioeconomic status, and race/ethnicity. Parallel process latent growth curve models showed that changes in nonreactivity were associated with concomitant reductions in perceived stress and increases in positive affect. Random intercept cross-lagged panel models showed that within-person nonreactivity prospectively predicted changes in perceived stress and positive affect. This is the first study to track naturalistic developmental change in mindfulness during adolescence. Results suggest that the nonreactivity dimension of mindfulness may boost resilience during the transition from middle school to high school.

scholarly journals Bayesian Power Equivalence in Latent Growth Curve Models

2019 ◽  
Author(s):  
Angelika Stefan ◽  
Timo von Oertzen
Keyword(s):  
Social Sciences ◽  
Growth Curve ◽  
Gold Standard ◽  
Latent Structure ◽  
Latent Growth Curve ◽  
Latent Growth ◽  
Growth Curve Models ◽  
Latent Growth Curve Models ◽  
The Social ◽  
Design Factors

Longitudinal studies are the gold standard for research on time-dependentphenomena in the social sciences. However, they often entail high costs dueto multiple measurement occasions and a long overall study duration. It istherefore useful to optimize these design factors while maintaining a highinformativeness of the design. Von Oertzen and Brandmaier (2013) appliedpower equivalence to show that Latent Growth Curve Models (LGCMs)with different design factors can have the same power for likelihood-ratiotests on the latent structure. In this paper, we show that the notion ofpower equivalence can be extended to Bayesian hypothesis tests of the latentstructure constants. Specifically, we show that the results of a Bayes FactorDesign Analysis (BFDA; Schönbrodt & Wagenmakers, 2018) of two powerequivalent LGCMs are equivalent. This will be useful for researchers whoaim to plan for compelling evidence instead of frequentist power and providesa contribution towards more efficient procedures for BFDA.

scholarly journals Predicting change trajectories of neuroticism from baseline brain structure using whole brain analyses and latent growth curve models in adolescents

2020 ◽  
Vol 10 (1) ◽  
Author(s):  
Simone Kühn ◽  
Anna Mascherek ◽  
Tobias Banaschewski ◽  
Arun L. W. Bokde ◽  
Christian Büchel ◽  
...  
Keyword(s):  
Growth Curve ◽  
Brain Structure ◽  
Latent Growth Curve ◽  
Latent Growth ◽  
Change Trajectories ◽  
Whole Brain ◽  
Growth Curve Models ◽  
Latent Growth Curve Models

scholarly journals CHILDHOOD MISFORTUNE PREDICTS LIFESPAN HEALTH INTO LATE ADULTHOOD

2019 ◽  
Vol 3 (Supplement_1) ◽  
pp. S351-S351
Author(s):  
Nicholas A Turiano ◽  
Nicholas A Turiano ◽  
Kate A Leger ◽  
Patrick L Hill
Keyword(s):  
Sex Education ◽  
Early Life ◽  
Life Experiences ◽  
Latent Growth Curve ◽  
Financial Strain ◽  
Adult Health ◽  
Latent Growth ◽  
Growth Curve Models ◽  
Latent Growth Curve Models ◽  
Midlife Development

Abstract Childhood misfortune encompasses a diverse set of negative early life experiences that have damaging effects on lifespan development. We extended this topic by examining how early life misfortunes predicted changes in measures of physical functioning (FUNC) and body mass index (BMI) in adulthood (ages 25-75). We used 3-wave data (N = 6,000) from the Midlife Development in the U.S. study across 20 years. Unconditional latent growth curve models (adjusting for age, sex, education) suggested significant (p < .05) mean-level change and variability in change for FUNC (Int = 1.47; Slope = 0.24) and BMI (Int = 26.71; Slope = 0.90). Higher levels of childhood misfortune (e.g., abuse, financial strain) significantly predicted worse FUNC (Int = 0.05; Slope = 0.02) and higher BMIs (Int = 0.24; Slope = 0.07) at baseline and steeper increases over time. Findings underscore the need to address adult health problems that emerge much earlier in life.

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