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Development and Assessment of a Diagnostic Tool to Identify Organic Chemistry Students' Alternative Conceptions Related to Acid Strength
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McClary, LaKeisha M.; Bretz, Stacey Lowery – International Journal of Science Education, 2012
The central goal of this study was to create a new diagnostic tool to identify organic chemistry students' alternative conceptions related to acid strength. Twenty years of research on secondary and college students' conceptions about acids and bases has shown that these important concepts are difficult for students to apply to qualitative problem…
Descriptors: Science Tests, Scientific Concepts, College Science, Federal Aid
Formulating a Concept Base for Secondary Level Engineering: A Review and Synthesis. Research in Engineering and Technology Education
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Custer, Rodney L.; Daugherty, Jenny L.; Meyer, Joseph P. – National Center for Engineering and Technology Education, 2009
The purpose of the study was to identify and refine a conceptual foundation for secondary school engineering education. Specifically, this study sought to address the following research questions: (1) What engineering concepts are present in literature related to the nature and philosophy of engineering?; (2) What engineering concepts are embedded…
Descriptors: Science History, Science Curriculum, Scientific Concepts, Scientific Principles
How Does Grasping the Underlying Causal Structures of Ecosystems Impact Students' Understanding?
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Grotzer, Tina A.; Basca, Belinda Bell – Journal of Biological Education, 2003
Students have difficulty understanding ecosystem concepts. This article argues that the difficulty stems partly from not grasping the underlying causality that structures the concepts. We report on an intervention study designed to teach eight- and nine-year-olds to reason about domino, cyclic, and mutual causality by infusing causally focused…
Descriptors: Middle Class, Ecology, Grade 3, Intervention
Engineering Design Activity: Understanding How Different Design Activities Influence Students' Motivation in Grades 9-12. Final Report. A Seed Grant Research Project. Research in Engineering and Technology Education
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Lawanto, Oenardi; Stewardson, Gary – National Center for Engineering and Technology Education, 2009
The objective of this study was to evaluate grade 9-12 students' motivation while engaged in two different engineering design projects: marble-sorter and bridge designs. The motivation components measured in this study were focused on students' intrinsic (IGO) and extrinsic (EGO) goal orientations, task value (TV), self-efficacy for learning and…
Descriptors: Student Surveys, Questionnaires, Correlation, Student Motivation
PLTW and Epics-High: Curriculum Comparisons to Support Problem Solving in the Context of Engineering Design. Research in Engineering and Technology Education
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Kelley, Todd; Brenner, Daniel C.; Pieper, Jon T. – National Center for Engineering and Technology Education, 2010
A comparative study was conducted to compare two approaches to engineering design curriculum between different schools (inter-school) and between two curricular approaches, "Project Lead the Way" (PLTW) and "Engineering Projects in Community Service" (EPIC High) (inter-curricular). The researchers collected curriculum…
Descriptors: Curriculum Guides, Protocol Analysis, Surveys, Engineering
Essential Aspects and Related Academic Concepts of an Engineering Design Curriculum in Secondary Technology Education. Research in Engineering and Technology Education
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Smith, Phillip Cameron, Jr. – National Center for Engineering and Technology Education, 2006
Technology education is a field of study which seeks to promote technological literacy for all students. Some recent research in the field has focused on integrating content and methodology from engineering design into technology education classes, particularly at the secondary level. This study contributes to the research base in technology…
Descriptors: Guidelines, Online Surveys, Data Analysis, Web Sites
Delivering Core Engineering Concepts to Secondary Level Students. Research in Engineering and Technology Education
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Merrill, Chris; Custer, Rodney L.; Daugherty, Jenny; Westrick, Martin; Zeng, Yong – National Center for Engineering and Technology Education, 2007
Within primary and secondary school technology education, engineering has been proposed as an avenue to bring about technological literacy. Different initiatives such as curriculum development projects (i.e., Project ProBase and Project Lead The Way) and National Science Foundation funded projects such as the National Center for Engineering and…
Descriptors: Quasiexperimental Design, Statistical Analysis, Secondary School Teachers, Engineering