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iPhone App for Data Collection and Critical Thinking about
Ecology and Biodiversity
Nancy Butler SongerProfessor of Science Education and Learning
TechnologiesThe University of Michigan
10 April 2012
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Working with Next Generation Science Standards
1. Focus on fewer big ideas building over timeJapanese eighth-grade textbooks cover eight topics, compared to an average of more than 65 for U.S. eighth-grade textbooks.” (Linn, Lewis, Tsuchida, Songer, 2000)
2. Emphasize science practicese.g., explanations, predictions, data collection, modeling
3. Systematic guidance in developing content + science practices
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What We Do
• Build tools + curricular units emphasizing guided development of explanations around focal content
• 4, 5, 6th grade biology/ecology (8 weeks)• 8th grade, high school Climate Change (8-14 weeks)
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Fusing Content + Practices
• Content Ecology 13: Because many animals rely on each other, a change in the number of one species can affect different members of the web.
• Science Practice Explanations: Students build a complete scientific explanation consisting of a claim, two pieces of Evidence and Reasoning with content hints
• Learning goal: Students construct scientific explanations to address the question, how have recent changes in the Detroit River affected yellow perch populations?
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Systematic Guidance of Strategic Thinking
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• 26% of fourth 26% of fourth graders have graders have difficulty difficulty generating two generating two pieces of pieces of evidence for evidence for an an explanation, explanation, even with even with guidanceguidance
• (Songer and (Songer and Gotwals, 2012)Gotwals, 2012)
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Passing Percentages by State, District, and Treatment SchoolsOn State Science Test, Eighth Grade (MEAP)
0.67(.001)
0.33(.004)
0.40(.01)
0.65(.001)
0.3(.004)
0.43(.01)
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
Michigan Detroit Publicschools
Focus Schools inDetroit
2002
2003
(Numbers in parentheses indicate standard error)
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Results: Achievement by Completion as Measured by Three Tests (N= 1885)
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BioKIDS app for animal data collectionBioKIDS app for animal data collection
Record data on phones, ipods, PDAs
Icon-based entry
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