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151.
Maria Nida C. Roncesvalles Marjorie H. Woollacott Jody L. Jensen 《Journal of motor behavior》2013,45(1):100-111
The development of the ability to use the step for balance recovery was studied among twenty-five 9- to 19-month-old children. The children were grouped according to walking experience (4 levels) and exposed to backward support surface translations, 8 cm in amplitude, under 3 velocity conditions: 15, 20, and 25 cm/s. New walkers (up to 2 weeks' walking experience) used the step infrequently and ineffectively in response to threats to balance. Intermediate walkers (1-3 months' walking experience) showed an increasing use of the step and significant improvement in step execution compared with new walkers. Advanced walkers (> 3 months' walking experience) experienced no falls throughout the protocol, capturing balance with feet-in-place or step responses under all perturbation conditions. A significant developmental transition in the emergence of the compensatory step occurred between the new walker and the intermediate walker experience levels, that is, within the first 3 months of walking experience. Three to 6 months' experience was required for the development of an effective stepping response. A concomitant change in mediolateral stability paralleled the emergence of compensatory stepping. 相似文献
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Jody L. Davis Jeni L. Burnette Scott T. Allison Heather Stone 《Social Psychology of Education》2011,14(3):331-346
An implicit theory of ability approach to motivation argues that students who believe traits to be malleable (incremental
theorists), relative to those who believe traits to be fixed (entity theorists), cope more effectively when academic challenges
arise. In the current work, we integrated the implicit theory literature with research on top dog and underdog status to predict
self-efficacy in an academic context. To examine our predictions, we assessed college students’ (N = 165) implicit theories of mathematical ability and manipulated their underdog versus top dog status in a math competition.
We hypothesized that holding an incremental (vs. entity) theory would interact with competition status (underdog vs. top dog)
to predict mathematical self-efficacy. When in an underdog position, incremental (vs. entity) theories boosted students’ mathematical
self-efficacy. Moreover, a mediated moderation model revealed that the experience of less helplessness accounted for greater
self-efficacy in mathematical ability among academic underdogs with incremental (vs. entity) theories. Implications for teaching
practices are discussed. 相似文献
154.
Jody M. Ross 《Sex roles》2011,65(11-12):880-882
155.
This study examined the life stress and problem-solving interactional model of suicide proposed by Clum, Patsiokas, and Luscomb (1979) . Thirty-three hospitalized suicidal adolescents were compared with 21 adolescents hospitalized for other psychiatric problems and with 89 controls. The assessment battery was composed of psychological measures, problem-solving measures, and environmental and family measures. The discriminant analyses revealed that the suicide group could be discriminated from the psychiatric control group but not from the high school control group. Unexpectedly, life stresses did not contribute to the identification of current suicide risk. The results suggest the importance of assessing suicide risk at the time of admission to minimize any subsequent changes in the risk group. 相似文献
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Jorge Cuartas Dana McCoy Juliana Sánchez Jere Behrman Claudia Cappa Georgina Donati Jody Heymann Chunling Lu Abbie Raikes Nirmala Rao Linda Richter Alan Stein Hirokazu Yoshikawa 《Developmental science》2023,26(6):e13404
This paper used longitudinal data from five studies conducted in Bangladesh, Bhutan, Cambodia, Ethiopia, and Rwanda to examine the links between family stimulation and early childhood development outcomes (N = 4904; Mage = 51.5; 49% girls). Results from random-effects and more conservative child-fixed effects models indicate that across these studies, family stimulation, measured by caregivers’ engagement in nine activities (e.g., reading, playing, singing), predicted increments in children's early numeracy, literacy, social-emotional, motor, and executive function skills (standardized associations ranged from 0.05 to 0.11 SD). Study-specific models showed variability in the estimates, with null associations in two out of the five studies. These findings indicate the need for additional research on culturally specific ways in which caregivers may support early development and highlight the importance of promoting family stimulation to catalyze positive developmental trajectories in global contexts.
Research Highlights
- Research on the links between family stimulation and early childhood development in low-and-middle-income countries (LMICs) is limited.
- We used longitudinal data from studies conducted in five LMICs to examine the links between family stimulation and early childhood development outcomes.
- Results suggest that family stimulation predicted increments in children's numeracy, literacy, social-emotional, motor, and executive function skills.
- We found variability in the observed estimates, with null associations in two out of the five studies, suggesting the need for additional research in LMICs.
159.
Heike I M Mahler James A Kulik Frederick X Gibbons Meg Gerrard Jody Harrell 《Health psychology》2003,22(2):199-209
Two appearance-based interventions designed to increase sun protection intentions and behaviors were evaluated. Sixty-eight college students in Experiment 1 and 76 beachgoers in Experiment 2 were randomly assigned to receive or not receive a photoaging (premature wrinkling and age spots) information intervention and, separately, to receive or not receive a novel ultraviolet (UV) photo intervention that makes the negative-appearance consequences of UV exposure more salient. Both experiments indicated that the UV photo intervention significantly increased intentions to use sunscreen in the future. A follow-up conducted with the beach sample indicated that UV photo information also produced greater protective behaviors for incidental sun exposure and that the combination of UV photo and photoaging information resulted in substantially lower reported sunbathing. 相似文献
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