Results 41 to 50 of about 7,294,678 (325)

Survey explores teen driving behavior in Central Valley, Los Angeles high schools

open access: yesCalifornia Agriculture, 2009
Teenage drivers, particularly new drivers, have higher crash rates than adults. We surveyed 2,144 teenage drivers in California about their driving practices, factors influencing driving behavior, and views on driver education and ...
Ramona Carlos   +4 more
doaj   +1 more source

4-H and 4-H Members in Motion Pictures

open access: yesJournal of Youth Development, 2014
Youth involved in Extension activities were portrayed on film as early as 1913. This paper provides a summary of the earliest motion pictures in which 4-H and 4-H members were a part. From the more than 400 early Extension films made by USDA, 22 4-H films were located and described. Hollywood films, with 4-H themes, were found.
openaire   +3 more sources

4-H Astronomy Project [PDF]

open access: yes, 2021
Author(s): Caeton, Nathaniel W. | Abstract: The night sky holds endless learning opportunities for youth and adults. Our observations and inquiries about the world beyond earth help us understand the world around us. In fact, many explanations of natural phenomena began with astronomical observations.
openaire   +3 more sources

Sp(4,H)/Z_2 Pair Universe in E6 Matrix Models

open access: yes, 2005
We construct interacting Sp(4,H)/Z_2 pair matrix models inside the compact E6 matrix models. Generally, models based on the compact E6 seem to always include doubly the degrees of freedom that we need physically. In this paper, we propose one solution to
Ohwashi, Yuhi
core   +1 more source

4-H Geology Project [PDF]

open access: yes, 2021
Author(s): Worker, Steven M. | Abstract: Geology is an Earth science focusing on Earth’s physical structure and substance, the processes that change the Earth, and the history of the Earth and its life.Exploring geology helps us better understand the sources of the minerals we use each day, Earth’s processes, and the impacts of climate and land-use ...
openaire   +3 more sources

Longitudinal Study of a State 4-H Fashion Revue

open access: yesJournal of Human Sciences and Extension, 2015
The 4-H fashion revue contest gives young people the opportunity to create their own garment and present it in front of judges and an audience. To come to the conclusions reported here, the participant entry forms, participant evaluations, and judges ...
Kendra Taylor   +2 more
doaj   +1 more source

Delivering Personalized Content to Open-air Museum Visitors Using Geofencing

open access: yesDigital Presentation and Preservation of Cultural and Scientific Heritage, 2022
This paper presents the architecture and implementation of a service that delivers personalized content to open-air museum visitors. The service uses push notifications to deliver this content.
Rosen Ivanov, Victoria Velkova
doaj   +1 more source

4-H State Leadership Boards: Measuring Leadership Life Skills and Youth-Adult Relationships

open access: yesJournal of Human Sciences and Extension, 2019
This descriptive correlational study sought to measure the development of leadership life skills and the perceptions of youth-adult relationships by youth serving on the Louisiana 4-H State Leadership Boards.
Leslie Moran   +2 more
doaj   +1 more source

The unpredictably eruptive dynamics of spruce budworm populations in eastern Canada

open access: yesPopulation Ecology, EarlyView.
We examine historical population data for spruce budworm from several locations through the period 1930–1997, and use density‐dependent recruitment curves to test whether the pattern of population growth over time is more consistent with Royama's (1984; Ecological Monographs 54:429–462) linear R(t) model of harmonic oscillation at Green River New ...
Barry J. Cooke, Jacques Régnière
wiley   +1 more source

THE VALUE OF 4-H COMPETITIVE ACTIVITIES AS PERCEIVED BY THE PARENTS OF 4-H MEMBERS [PDF]

open access: yesJournal of Agricultural Education, 1998
The major-purpose of the study was to examine perceptions of 4-H parents in Districts II and IV in the Texas 4-Hprogram relative to the educational value of competition in the 4-H program. Two-hundred-fifty parents whose children were currently or formerly enrolled in the 4-H program were sampled from the population. The parents in the study had a very
Lance Kieth, Paul Vaughn
openaire   +2 more sources

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