CONSCIOUSNESS Chapters 5,7 What is Consciousness? What are altered states of consciousness?
Searching Our Collective Consciousness A Google Trends Activity for Introductory Students Eric...
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![Page 1: Searching Our Collective Consciousness A Google Trends Activity for Introductory Students Eric Nordmoe Department of Mathematics and Computer Science.](https://reader036.fdocuments.in/reader036/viewer/2022070411/56649d015503460f949d369f/html5/thumbnails/1.jpg)
Searching Our Collective ConsciousnessA Google Trends Activity for
Introductory Students
Eric NordmoeDepartment of Mathematics and Computer Science
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How do we engage our students in statistical thinking?
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Classroom activities should be…
• Real• Engaging• Conceptual• Thought-provoking• Purposeful
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Typical classroom activities
• Hands-on activities– Gelman & Nolan, 2002
• Real-world data sets– Dawson, JSE95; Hayden, JSE05; Hand, 1994
• Simulation-based learning– DelMas & Garfield, JSE99
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A brief history of Google Trends
Google Insights for Search
Google Trends
GoogleFlu Trends
May 06: Plot popularity of search terms
Aug 08: In-depth analysis by category and geography
Nov 08: Produce early-warningestimates of flu activity (Ginsberg et al., Nature2008)
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Back
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The Google Insights for Search interface
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Query “index” scaled against maximum in Feb 2008
Search parameters
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Emphasizes context
Downloadable data file
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The Google Trends Activity
• Analysis of a simplified flu trends data set – Weekly data Jan 04-May 08– 230 cases, 6 variables
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Estimated % of outpatient
visits showing flu-like symptoms
fever
“cold symptoms”
“flu symptoms”
query #4
Responsevariable
Explanatory queryvariables
The Google Trends Activity:
The Variables
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The Google Trends Activity:Overview
Background
Univariate description
Bivariate description
Reflection & extensions
Time-based description
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The Google Trends Activity:
A Quick Look
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r =.94 r =.87
r =.61 r =.76
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Learning Outcomes
• Mastery of tools for data description
• Sensitivity to unique characteristics of time series data
• Development of critical, statistical thinking skills
• Opportunities to formulate hypotheses
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Suggestions for Classroom Use
• Introductory Statistics• 1-2 class sessions• Integrates univariate and bivariate learning
• Requires stats software
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Cautions
• No random sampling model• Serial correlation• Index (scaled) data
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Extensions
• Transformations– logit
• Hypothesis testing– Between geographic subregions, years, etc.
• Regression models– Interpretation, assumptions and diagnostics
• Time series analysis– Significance testing– Seasonality
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Questions?
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Google Trends Activity Links
• Google Trends Activity– Word .doc file http://tinyurl.com/nk2uo2
• Downloadable data files– Excel .xls file http://tinyurl.com/ly3s8c– SPSS .sav file http://tinyurl.com/mbdpw2