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Gillman, Joan – Science and Children, 2013
To capture students' excitement and engage their interest in rocketships and visiting planets in the solar system, the author designed lessons that give students the opportunity to experience the joys and challenges of developing straw rockets, and then observing which design can travel the longest distance. The lessons are appropriate for…
Descriptors: Astronomy, Lesson Plans, Grade 4, Grade 5
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Woolley, Michael E.; Bowen, Gary L.; Bowen, Natasha K. – Research on Social Work Practice, 2004
In the context of the importance of valid self-report measures to research and evidence-based practice in social work, an argument-based approach to validity is presented and the concept of developmental validity is introduced. Cognitive development theories are applied to the self-report process of children, and cognitive pretesting is reviewed…
Descriptors: Validity, Pretesting, Social Work, Cognitive Development