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Kimberlin, Stephanie; Yezierski, Ellen – Journal of Chemical Education, 2016
Students' inaccurate ideas about what is represented by chemical equations and concepts underlying stoichiometry are well documented; however, there are few classroom-ready instructional solutions to help students build scientifically accurate ideas about these topics central to learning chemistry. An intervention (two inquiry-based activities)…
Descriptors: Stoichiometry, High School Students, Chemistry, Intervention
Boedigheimer, Dan – ProQuest LLC, 2010
Approximately 70% of aviation accidents are attributable to human error. The greatest opportunity for further improving aviation safety is found in reducing human errors in the cockpit. The purpose of this quasi-experimental, mixed-method research was to evaluate whether there was a difference in pilot attitudes toward reducing human error in the…
Descriptors: Accidents, Control Groups, Safety, Pretests Posttests
Soboleski, Penny K. – ProQuest LLC, 2011
The three-fold purpose of this quasi-experimental study was to examine the impact of the computer-based reading program Fast ForWord (FFW) on the reading achievement of second-grade students in an Ohio school district. The sample included 360 students (treatment group, n = 85; control group, n = 275) from four elementary buildings. FFW is an…
Descriptors: Control Groups, Investigations, Intervention, Reading Programs