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Direct linkMatuk, Camillia F.; Linn, Marcia C.; Eylon, Bat-Sheva – Instructional Science: An International Journal of the Learning Sciences, 2015
Teachers' involvement in curriculum design is essential for sustaining the relevance of technology-enhanced learning materials. Customizing--making small adjustments to tailor given materials to particular situations and settings--is one design activity in which busy teachers can feasibly engage. Research indicates that customizations based…
Descriptors: Curriculum Design, Teacher Role, Technology Uses in Education, Educational Technology
Liu, Ou Lydia; Lee, Hee-Sun; Linn, Marcia C. – Journal of Research in Science Teaching, 2011
Science education needs valid, authentic, and efficient assessments. Many typical science assessments primarily measure recall of isolated information. This paper reports on the validation of assessments that measure knowledge integration ability among middle school and high school students. The assessments were administered to 18,729 students in…
Descriptors: Science Education, Item Response Theory, High School Students, Middle School Students
Zhang, Zhihui Helen; Linn, Marcia C. – International Journal of Science Education, 2013
Dynamic visualizations can make unseen phenomena such as chemical reactions visible but students need guidance to benefit from them. This study explores the value of generating drawings versus selecting among alternatives to guide students to learn chemical reactions from a dynamic visualization of hydrogen combustion as part of an online inquiry…
Descriptors: Chemistry, Science Instruction, Visual Aids, Freehand Drawing
Lee, Hee-Sun; Liu, Ou Lydia; Linn, Marcia C. – Applied Measurement in Education, 2011
This study explores measurement of a construct called knowledge integration in science using multiple-choice and explanation items. We use construct and instructional validity evidence to examine the role multiple-choice and explanation items plays in measuring students' knowledge integration ability. For construct validity, we analyze item…
Descriptors: Knowledge Level, Construct Validity, Validity, Scaffolding (Teaching Technique)
Lee, Hee-Sun; Linn, Marcia C.; Varma, Keisha; Liu, Ou Lydia – Journal of Research in Science Teaching, 2010
We investigated how student understanding of complex science topics was impacted when 27 teachers switched from typical to inquiry instruction in a delayed cohort comparison design study. For the same set of science topics, the teachers used typical methods of instruction in the first year and online, visualization rich inquiry units in the second…
Descriptors: Teacher Surveys, Interaction, Statistical Analysis, Demonstration Centers
Gerard, Libby F.; Bowyer, Jane B.; Linn, Marcia C. – Journal of School Leadership, 2010
Active principal leadership can help sustain and scale science curriculum reform. This study illustrates how principal leadership developed in a professional learning community to support a technology-enhanced science curriculum reform funded by the National Science Foundation. Seven middle school and high school principals in one urban-fringe…
Descriptors: Principals, Instructional Leadership, Science Curriculum, Educational Change
