Results 91 to 100 of about 4,406,690 (239)

Onda Longitudinal

open access: yes, 2016
O vídeo mostra uma animação onde é possível visualizar uma onda longitudinal, sendo que, as partículas estão se movendo na mesma direção de propagação das ondas.
Pelletier, Yves
core   +2 more sources

Harmonised Mental Health Measures at Age 10/11 in Selected British Cohorts: 1970 British Cohort Study

open access: yes, 2022
copyright UK Data Service and data collection copyright owner.CLOSER (Cohort and Longitudinal Studies Enhancement Resources) aims to maximise the use, value and impact of longitudinal studies, both at home and abroad.
Cohort and Longitudinal Studies Enhancement Resources
core   +2 more sources

Diferencias en la Predictividad de la Lectura Entre Primer Año y Cuarto Año Básicos Differences in the Predictability of Reading Between First Grade and Fourth Grade

open access: yesPsykhe, 2006
Este artículo presenta los resultados obtenidos en un seguimiento de 227 niños durante cuatro años. Fueron evaluados al iniciar el primer año básico con diversas pruebas psicolingüísticas predictivas y luego en lectura a fines del primero y del cuarto ...
Luis Bravo Valdivieso   +2 more
doaj  

Influencia de factores familiares y personales en la evolución negativa del tdah

open access: yesINFAD, 2014
Objetivo. Estudiar la influencia del efecto acumulado de riesgo en la disfuncionalidad general y en la evolución de los síntomas de TDAH y problemas asociados en niños con TDAH. Método.
Carla Colomer   +3 more
doaj   +1 more source

The MexMAGIC population reveals the genetic architecture of traits exhibiting clinal variation in Mexican native maize

open access: yesNew Phytologist, EarlyView.
The MexMAGIC population mixes native maize varieties from across Mexico to study functional genetic diversity. Summary Defining the genetic basis of local adaptation is a key goal of evolutionary biology and crop improvement. Theory predicts that when selective pressures follow differences in the environment, a cline will be established.
Sergio Perez‐Limón   +18 more
wiley   +1 more source

EL RENDIMIENTO DE LOS ESTUDIANTES ASOCIADO A LA GRADUACIÓN, DESERCIÓN Y PERMANENCIA [PDF]

open access: yes, 2010
Con el objetivo de determinar la relación del rendimiento estudiantil con la deserción, graduación y permanencia en el sistema, se realizó una investigación descriptiva, transeccional y longitudinal en la que se analizaron los (PA) promedios más altos y (
Cantarini, Luis Martín   +3 more
core  

The Bumps in the Road Toward Social Equity Budgeting: The Administrative Pitfalls When Implementing Participatory Budgeting

open access: yesPublic Administration, EarlyView.
ABSTRACT Participatory budgeting can encourage meaningful community engagement in all phases of the budgeting cycle to promote social equity. However, participatory budgeting administrators often experience administrative and political challenges in establishing participatory processes that effectively promote social equity.
Michelle L. Lofton   +1 more
wiley   +1 more source

Harmonised Mental Health Measures at Age 10/11 in Selected British Cohorts: Millennium Cohort Study

open access: yes, 2022
copyright UK Data Service and data collection copyright owner.CLOSER (Cohort and Longitudinal Studies Enhancement Resources) aims to maximise the use, value and impact of longitudinal studies, both at home and abroad.
Cohort and Longitudinal Studies Enhancement Resources
core   +2 more sources

Harmonised Mental Health Measures at Age 10/11 in Selected British Cohorts: National Child Development Study

open access: yes, 2022
copyright UK Data Service and data collection copyright owner.CLOSER (Cohort and Longitudinal Studies Enhancement Resources) aims to maximise the use, value and impact of longitudinal studies, both at home and abroad.
Cohort and Longitudinal Studies Enhancement Resources
core   +2 more sources

Facets of Crises: How Problem Indicators and Public Perceptions Affect Policy Change

open access: yesPolicy Studies Journal, EarlyView.
ABSTRACT Crises are widely acknowledged as catalysts for policy change. Yet, our understanding of the policy effects of crises remains limited. Why do only some crises lead to major changes, while significant policy changes also occur during seemingly non‐crisis periods?
Constantin Kaplaner   +6 more
wiley   +1 more source

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