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Title Slide: Identifying and Addressing Student Difficulties With Sound
Research Setting and Methods
Individual Demonstration Interviews (Fall '96) Motion of dust particle or candle flame due to sound
Case Study Example: "Alex"
Alex's Description of Effect of Wave on Dust Particle
Summary of Alex's description
How Does Alex Describe the Effect of Changing Frequency or Volume
Pretests and Diagnostic Tests
Pre and Post-Traditional Instruction Descriptions of Sound Waves Acting on Dust Particle
Pre and Post-Traditional Instruction Descriptions of Sound Waves Acting on Candle Flame
Curriculum Development to Address Student Difficulties
Post Instruction Interviews
Pre/Post Comparison of Interview Students' Performances on Sound Question
Particle Pulse Model of Waves (Results from Previous Research)
The Persistence of Mental Models (joke)