NotesFAQContact Us
Collection
Advanced
Search Tips
Showing all 2 results Save | Export
Peer reviewed Peer reviewed
Direct linkDirect link
Chang, Hsin-Yi; Quintana, Chris; Krajcik, Joseph S. – Science Education, 2010
In this study, we investigated whether the understanding of the particulate nature of matter by students was improved by allowing them to design and evaluate molecular animations of chemical phenomena. We developed Chemation, a learner-centered animation tool, to allow seventh-grade students to construct flipbook-like simple animations to show…
Descriptors: Animation, Peer Evaluation, Factor Analysis, Effect Size
Peer reviewed Peer reviewed
Direct linkDirect link
Lee, Hee-Sun; Liu, Ou Lydia – Science Education, 2010
We use a construct-based assessment approach to measure learning progression of energy concepts across physical, life, and earth science contexts in middle school grades. We model the knowledge integration construct in six levels in terms of the numbers of ideas and links used in student-generated explanations. For this study, we selected 10 items…
Descriptors: Middle School Students, Standardized Tests, Earth Science, Energy