Construcción y validación preliminar de un instrumento de evaluación de actitudes hacia la clase de química para estudiantes de educación media PDF Download
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Author: Daniel Esteban Muñoz Masson
Publisher:
ISBN:
Category :
Languages : es
Pages : 0
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Book Description
Las actitudes son la predisposición que poseen los sujetos hacia un objeto de actitud. Las actitudes en química escolar, según diversas reportes científicos están condicionadas con: las calificaciones de los estudiantes en la asignatura, los intereses posteriores de los estudiantes saliendo de la escuela, la relación afectiva de los sujetos hacia el profesor, el género de los sujetos, con la relación afectiva entre sus compañeros, entre otras variables, por tanto, evaluar las actitudes es el camino que permite determinar cómo se construyen, forman y reforman estas actitudes en pos de mejorar estas para que en última instancia con dicha información sea posible formar los futuros químicos y químicas que pavimenten el devenir científico y de la disciplina. En el presente trabajo se propone un constructo de actitud sostenido en el modelo de los planos del pensamiento de Labarrere y col. (2002), y del modelo tridimensional de actitudes, sugerido por Blanco y col. (2003) a partir de estos dos modelos se generó una batería de 239 reactivos, los cuales pasaron por un proceso de validación por jueces expertos, de los cuales quedaron 36 reactivos, finalmente estos se pre-validaron en una muestra de 114 sujetos mediante un test online. Los resultados arrojaron una alta confiabilidad del instrumento, pero no lograron generar evidencia lo suficientemente robusta como para generar algún juicio de validez de criterio o constructo, por tanto, se concluyó que es necesario robustecer la muestra con un mayor número de sujetos para que se puedan obtener datos estadísticos que permitan generar algún juicio respecto de la validez del instrumento.
Author: Daniel Esteban Muñoz Masson
Publisher:
ISBN:
Category :
Languages : es
Pages : 0
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Book Description
Las actitudes son la predisposición que poseen los sujetos hacia un objeto de actitud. Las actitudes en química escolar, según diversas reportes científicos están condicionadas con: las calificaciones de los estudiantes en la asignatura, los intereses posteriores de los estudiantes saliendo de la escuela, la relación afectiva de los sujetos hacia el profesor, el género de los sujetos, con la relación afectiva entre sus compañeros, entre otras variables, por tanto, evaluar las actitudes es el camino que permite determinar cómo se construyen, forman y reforman estas actitudes en pos de mejorar estas para que en última instancia con dicha información sea posible formar los futuros químicos y químicas que pavimenten el devenir científico y de la disciplina. En el presente trabajo se propone un constructo de actitud sostenido en el modelo de los planos del pensamiento de Labarrere y col. (2002), y del modelo tridimensional de actitudes, sugerido por Blanco y col. (2003) a partir de estos dos modelos se generó una batería de 239 reactivos, los cuales pasaron por un proceso de validación por jueces expertos, de los cuales quedaron 36 reactivos, finalmente estos se pre-validaron en una muestra de 114 sujetos mediante un test online. Los resultados arrojaron una alta confiabilidad del instrumento, pero no lograron generar evidencia lo suficientemente robusta como para generar algún juicio de validez de criterio o constructo, por tanto, se concluyó que es necesario robustecer la muestra con un mayor número de sujetos para que se puedan obtener datos estadísticos que permitan generar algún juicio respecto de la validez del instrumento.
Author:
Publisher:
ISBN: 9789264156227
Category : Education
Languages : en
Pages : 415
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Book Description
The OECD education indicators enable countries to see themselves in light of other countries performance. They reflect on both the human and financial resources invested in education and on the returns of these investments.
Author: Greg Wilson
Publisher: CRC Press
ISBN: 1000728153
Category : Computers
Languages : en
Pages : 229
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Book Description
Hundreds of grassroots groups have sprung up around the world to teach programming, web design, robotics, and other skills outside traditional classrooms. These groups exist so that people don't have to learn these things on their own, but ironically, their founders and instructors are often teaching themselves how to teach. There's a better way. This book presents evidence-based practices that will help you create and deliver lessons that work and build a teaching community around them. Topics include the differences between different kinds of learners, diagnosing and correcting misunderstandings, teaching as a performance art, what motivates and demotivates adult learners, how to be a good ally, fostering a healthy community, getting the word out, and building alliances with like-minded groups. The book includes over a hundred exercises that can be done individually or in groups, over 350 references, and a glossary to help you navigate educational jargon.
Author: Alberto Cañas
Publisher: Springer
ISBN: 331945501X
Category : Education
Languages : en
Pages : 342
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Book Description
This book constitutes the refereed proceedings of the 7th International Conference on Concept Mapping, CMC 2016, held in Tallinn, Estonia, in September 2016. The 25 revised full papers presented were carefully reviewed and selected from 135 submissions. The papers address issues such as facilitation of learning; eliciting, capturing, archiving, and using “expert” knowledge; planning instruction; assessment of “deep” understandings; research planning; collaborative knowledge modeling; creation of “knowledge portfolios”; curriculum design; eLearning, and administrative and strategic planning and monitoring.
Author: Jane Haldimand Marcet
Publisher: Cambridge University Press
ISBN: 1108016839
Category : History
Languages : en
Pages : 414
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Book Description
Bright, humorous and engaging, Marcet's best-selling 1805 book was designed to introduce women to scientific ideas.
Author: Commission for Environmental Cooperation (Montréal, Québec). Secretariat
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 240
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Book Description
The North American Mosaic has four overarching features. First, it is, to the extent feasible, based on comparable information on the status and trends of major indicators of the state of the environment in Canada,Mexico, and the United States. Second, the report confirms that these three countries together make up an incredibly complex, dynamic, and interconnected ecosystem in which humans play a dominant and decisive role. Third, the report raises important and sometimes disquieting questions concerning the sustainability of some current trends. Finally, the report is a reminder that our economic, social, and physical well-being are utterly dependent on the life-sustaining services provided by nature. This report emphasizes the importance of developing mutually compatible economic, social, and environmental goals and policies across the three-country region.
Author: Christine E. Gudorf
Publisher: Georgetown University Press
ISBN: 1589016858
Category : Philosophy
Languages : en
Pages : 329
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Book Description
In this expanded and revised edition of a fresh and original case-study textbook on environmental ethics, Christine Gudorf and James Huchingson continue to explore the line that separates the current state of the environment from what it should be in the future. Boundaries begins with a lucid overview of the field, highlighting the key developments and theories in the environmental movement. Specific cases offer a rich and diverse range of situations from around the globe, from saving the forests of Java and the use of pesticides in developing countries to restoring degraded ecosystems in Nebraska. With an emphasis on the concrete circumstances of particular localities, the studies continue to focus on the dilemmas and struggles of individuals and communities who face daunting decisions with serious consequences. This second edition features extensive updates and revisions, along with four new cases: one on water privatization, one on governmental efforts to mitigate global climate change, and two on the obstacles that teachers of environmental ethics encounter in the classroom. Boundaries also includes an appendix for teachers that describes how to use the cases in the classroom.
Author: Charles Saylan
Publisher: Univ of California Press
ISBN: 0520265386
Category : Education
Languages : en
Pages : 254
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Book Description
“The hope for the future depends on teaching current and future students the analytical and critical thinking skills for dealing with the most critical problems. My own hope is for this book to be read by everyone, even those outside the field of environmental education. Read this book, read it again, share it widely, and do something - anything - to help our needy and wounded planet."-Marc Bekoff, author of The Animal Manifesto: Six Reasons For Expanding Our Compassion Footprint "Saylan and Blumstein provide a compelling vision of what can be, and what should be, if we have the courage to open our eyes and the boldness to act.”-Peter Saundry, Ph.D., Executive Director of the National Council for Science and the Environment “A clarion call to incorporate environmental education in all grades K-12, across all academic disciplines, in order to produce future generations of environmental stewards."-Mark Gold, President, Heal The Bay "We need a sea change in the educational system. After all, if we can teach schoolchildren that vandalism is wrong, why can we not teach them that environmental destruction is wrong? This book is a haunting call to action. A beautifully written manifesto that gets it right."-Ron Swaisgood, Director of Applied Animal Ecology, Institute for Conservation Research, San Diego Zoo Global “The greatest threat to the future of all species on the planet is the huge gap between what is understood about global climate change by the scientific community and what is known about climate change by the people who need to know -- the public. The sound prescriptions in this book need to be read now. We are running out of time.”-Dr. James Hansen, world-renowned climatologist and author of Storms of My Grandchildren: The Truth About the Coming Climate Catastrophe and Our Last Chance to Save Humanity “Environmental education is a disaster and educating the public on environmental issues is the greatest challenge facing humanity today. This book will help us understand why we are headed toward the collapse of civilization, and more important, how to fix it. Packed with sound science, useful information, and brilliant ideas, it is a book we must read, and give, to our local school boards and principals nationwide. Our children will thank us."-Paul R. Ehrlich, author of The Population Bomb and Humanity on a Tightrope
Author: Daniella Tilbury
Publisher: IUCN
ISBN: 9782831708232
Category : Business & Economics
Languages : en
Pages : 152
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Book Description
The book is based on the exchange of professional experiences which featured in an IUCN CEC workshop in August 2002. Practitioners from around the world shared their models of good practice and explored the challenges involved in engaging people in sustainability. The difficulties facing practitioners vary between country and context but some challenges are universal: A lack of clarity in communicating what is meant by sustainable development; An ambition to educate everyone to bring about a global citizenship; Social, organisational or institutional factors constrain change to sustainable development, yet there is an emphasis on formal education, and community educators do not receive the same support; A lack of balance in addressing the integration of environmental, social and economic dimensions leading to an interpretation that ESD is mainly about environment and conservation issues; New learning (rather than teaching) approaches are called for to promote more debate in society. Yet, few are trained or experienced in these new approaches. Practitioners need support to explore new ways of promoting learning. [Foreword, ed].
Author: E. Valsami-Jones
Publisher: IWA Publishing
ISBN: 1843390019
Category : Science
Languages : en
Pages : 681
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Book Description
Phosphorus in Environmental Technology: Principles and Applications, provides a definitive and detailed presentation of state-of-the-art knowledge on the environmental behaviour of phosphorus and its applications to the treatment of waters and soils. Special attention is given to phosphorus removal for recovery technologies, a concept that has emerged over the past 5-6 years. The book features an all-encompassing approach: the fundamental science of phosphorus (chemistry, geochemistry, mineralogy, biology), key aspects of its environmental behaviour and mobility, industrial applications (treatment, removal, recovery) and the principles behind such applications, novel biotechnologies and, importantly, it also addresses socio-economic issues which often influence implementation and the ultimate success of any new technology. A detailed subject index helps the reader to find their way through the different scientific and technological aspects covered, making it an invaluable reference work for students, professionals and consultants dealing with phosphorus-related environmental technologies. State-of-the-art knowledge on the behaviour of phosphorus and its applications to environmental science and technology. Covers all aspects of phosphorus in the environment, engineered and biological systems; an interdisciplinary text.
