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Marica Angle, Liz Schultheis, & Melissa Kjelvik
Building student confidence using Data Nuggets Data Nuggets are classroom activities, co-designed by graduate students and teachers, which give students practice interpreting quantitative information and making claims based on evidence. They are created from ongoing scientific research and provide a brief background on a scientist and their study system, a dataset from their research, and challenge students to answer a scientific question using the dataset to support their claim. The goal of Data Nuggets is to engage students in the practices of science through an innovative approach that combines scientific content from authentic research with key concepts in quantitative reasoning. In this talk I will share the preliminary findings from our efficacy study on Data Nuggets and areas for future research and analysis. Marica Angle, Liz Schultheis, & Melissa Kjelvik
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Workshop Outline Background on Data Nuggets Explore website
Trumpeter Swan Data Nugget from Kellogg Bird Sanctuary Extension materials Mention I’m really interested in feedback and ok to interrupt
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What are Data Nuggets? We designed Data Nuggets to address the challenge of brining real data into the classroom to engage students
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Free activities that bring real data into the classroom, along with all its messiness and complexity
Based on contemporary research Guide students through the entire process of science, including data analysis & interpretation Follow familiar template, but provide flexibility through teacher notes and suggested discussions To this end, we developed Data Nuggets, which are… By using cutting edge research, DNs capture the attention of students by engaging them with more than just the conclusions of a study, but the story and process of the researcher behind the ideas and data Schultheis & Kjelvik 2015
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Data Nugget development
Iterative development between scientist behind the data and the Data Nugget development team. Piloted in classrooms and reviewed by teachers and students. Revised based on feedback from scientists and science educators. Early on, some of the seed funds from BEACON have been used to hold workshops (4/5 institutions, did not go to NCA&T), and we just found out that we will have a post doc (Mike Wiser) working with BEACON scientists this upcoming year.
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_ Research background Introduce research and subject area
Relate topic to students’ experiences Written in story format to engage reader
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Show scientists are approachable - Engage students with the researcher themselves, discussing more than just research findings
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Data analysis _ *NOTE this example if from Won’t you be my urchin? A Level 1 Data Nugget. There are no error bars on this graph because this is not something that students would typically be familiar with at that grade level. If using this DN in an upper grade level you can add a place in the table for students to calculate SD or SE, or you can just have students mark the range on the graph to stimulate discussion of variation.
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_ Data visualization Graphing levels
Second, activities are coded according to the graphing skills required. Type A activities provide the graph for the students, (allowing a focus on graph interpretation, making claims based on evidence, and explaining reasoning), Type B activities provide axis labels but requires students to graph the data, and Type C provides an unlabeled grid on which to draw a graph. Increasingly challenges students over time (across semester or grades) Allows for differentiated instruction and scaffolding
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Constructing explanations
_ C-E-R framework to help students use data as evidence to support claims Scaffolds student writing and provides expectations Provides foundation for discourse Explanations is a practice. The claims-evidence-reasoning (CER) framework has been productive in helping students develop strong scientific arguments, but students who use this framework often do not provide adequate/sufficient evidence or reasoning to support the claims they make when explaining phenomena. Helps students evaluate how the evidence helps answer the scientific question presented in an experiment or reading material CER framework trains student thinking about looking at data and assists them in making their understanding clear in written responses Foundation for discourse that all students can engage in Prepares them to be discerning, thoughtful citizens in the future (we hope!) McNeill et al. 2006, McNeill & Krajcik 2008
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Next steps _ For each DN we have a version that students can do by hand, but we also want teachers to be able to build students’ quantitative skills and expand to issues of calculating statistics and hypothesis testing.
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_ Research study Preliminary findings: Self-efficacy (confidence)
Figure out what data to collect and how to collect them. Use data as evidence to support a claim I made. Work with complicated data sets that may have unclear patterns. Interpret data from a scientific investigation. Use or calculate statistics (mean, ratios, percent, etc.) PRELIMINARY
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Students using Data Nuggets had increased self-efficacy compared to comparison
* SE is a predictor of retention in STEM (Komarraju & Dial 2014), motivation and performance (Bandura and Locke 2003) PRELIMINARY DATA ONLY! Pre-test End semester 1 End semester 2 Treatment p = 0.02 Time p < 0.001 Red = Data Nugget Blue = comparison
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Exploring the website We designed Data Nuggets to address the challenge of brining real data into the classroom to engage students
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Let’s do a Data Nugget! PASS OUT MATERIALS SHOW THE VIDEO
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_ How to identify swans How to identify? Mute Swan Trumpeter Swan
Tundra Swan MUTE TRUMPETER TUNDRA The Trumpeter Swan Society
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_ Trumpeter Swans Largest waterfowl in North America
Wingspan 6.5 feet Weigh between lbs. One of N.A. heaviest flying birds Black beak with pink lipstick mark Loud trumpet call
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History of Trumpeter Swans
_ Once common: Alaska, northern U.S. and Canada Three populations: Pacific Central Pop., Rocky Mountain Pop., and Interior Population Interior Population extirpated by 1900 Verge of extinction mid 1930’s; less than 70 Restoration began: 1960’s – S.D. & MSP 1980’s – MN, MO, ONT, MI, WI 1990’s – IA, OH Historically, trumpeter swans were most likely abundant throughout the Great Lakes region, even in the southern Michigan marshlands. On his travels along the Detroit River in 1701, Cadillac compared the abundance of swans to lilies among the rushes. However, with the settlement of America, the populations of trumpeters plummeted. Beginning in the late 1800s, European settlers cleared the land, draining and filling important marsh habitat, and market hunters took swans for their fine down and quills. By 1933, only 66 trumpeter swans remained in the continental United States, mainly in remote parts of the Rocky Mountains and Alaska. Nearly 100 years passed before trumpeter swans were seen again in the Michigan wilds. Central population broken down into 2 subpopulations - Mississippi (Michigan) and high plains
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Reintroduction _ In the 1980s a group of biologists from agencies across Michigan decided to start a Trumpeter Swan Reintroduction Project US Fish & Wildlife Service Michigan Department of Natural Resources Michigan State University Joe Johnson ( ) manager of the Sanctuary Administratively, the Mississippi Flyway is composed of the states of Alabama, Arkansas, Indiana, Illinois, Iowa, Kentucky, Louisiana, Michigan, Minnesota, Mississippi, Missouri, Ohio, Tennessee, and Wisconsin,and the Canadian provinces of Saskatchewan, Manitoba and Ontario. The Mississippi Flyway Council was organized in 1952 and contains representatives (usually agency administrators) from these state agencies (and often provincial representatives from Saskatchewan, Manitoba, and Ontario) that have management responsibility for migratory bird resources in the Flyway. The Council was established to coordinate the management of migratory game birds in the Mississippi Flyway and to promote those activities of its members that serve the long-term benefit to the resources and the flyway as a whole.
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Goals for reintroduction
_ Restore: SELF-SUSTAINING MIGRATORY METAPOPULATION 180 Breeding pairs and 2000 total swans by 2000 Metapopulation definition: A metapopulation is generally considered to consist of several distinct populations together with areas of suitable habitat which are currently unoccupied. In classical metapopulation theory, each population cycles in relative independence of the other populations and eventually goes extinct as a consequence of demographic stochasticity (fluctuations in population size due to random demographic events); the smaller the population, the more prone it is to extinction. Although individual populations have finite life-spans, the metapopulation as a whole is often stable because immigrants from one population (which may, for example, be experiencing a population boom) are likely to re-colonize habitat which has been left open by the extinction of another population. They may also emigrate to a small population and rescue that population from extinction (called the rescue effect). Such a rescue effect may occur because declining populations leave niche opportunities open to the "rescuers". (per wikipoedia
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https://youtu.be/h-2qX-72Drw
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