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Evolving a Learning Analytics Platform
 

Evolving a Learning Analytics Platform

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Slides accompanying a talk by Ari Bader-Natal (twitter: @aribadernatal) at the 1st International Conference on Learning Analytics and Knowledge. ...

Slides accompanying a talk by Ari Bader-Natal (twitter: @aribadernatal) at the 1st International Conference on Learning Analytics and Knowledge.

More information about this work can be found on the Grockit research page: grockit.com/blog/main/research

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    Evolving a Learning Analytics Platform Evolving a Learning Analytics Platform Presentation Transcript

    • Evolvinga Learning Analytics PlatformAri Bader-Natal Thomas Lotze ari@grockit.com thomas@grockit.com @AriBaderNatal February 28, 2011
    • Evolving a Learning Analytics System @AriBaderNatal Questions to ask when evolving a platform: http://grockit.com
    • Evolving a Learning Analytics System @AriBaderNatal Questions to ask when evolving a platform: The first question http://grockit.com
    • Evolving a Learning Analytics System @AriBaderNatal Questions to ask when evolving a platform: The first question The interesting questions http://grockit.com
    • Evolving a Learning Analytics System @AriBaderNatal Questions to ask when evolving a platform: The first question The interesting questions The infrastructure question http://grockit.com
    • Evolving a Learning Analytics System @AriBaderNatal Questions to ask when evolving a platform: The first question The interesting questions The infrastructure question The subset question http://grockit.com
    • Evolving a Learning Analytics System @AriBaderNatal Questions to ask when evolving a platform: The first question The interesting questions The infrastructure question The subset question The missing data question http://grockit.com
    • Evolving a Learning Analytics System @AriBaderNatal Questions to ask when evolving a platform: The first question The interesting questions The infrastructure question The subset question The missing data question The pro-active question http://grockit.com
    • Evolving a Learning Analytics System @AriBaderNatal Questions to ask when evolving a platform: The first question The interesting questions The infrastructure question The subset question The missing data question The pro-active question The effort question http://grockit.com
    • Evolving a Learning Analytics System @AriBaderNatal Questions to ask when evolving a platform: The first question The interesting questions The infrastructure question The subset question The missing data question The pro-active question The effort question The discovery question http://grockit.com
    • Evolving a Learning Analytics System @AriBaderNatal Questions to ask when evolving a platform: The first question The interesting questions The infrastructure question The subset question The missing data question The pro-active question The effort question The discovery question The production questions http://grockit.com
    • Evolving a Learning Analytics System @AriBaderNatal Questions to ask when evolving a platform: The first question The interesting questions The infrastructure question The subset question The missing data question The pro-active question The effort question The discovery question The production questions The audience question http://grockit.com
    • Evolving a Learning Analytics System @AriBaderNatal The context questions What is Grockit? Where? Why? How? http://grockit.com
    • Evolving a Learning Analytics System Ari Bader-Natal http://grockit.com
    • Evolving a Learning Analytics System Ari Bader-Natal E-Learning Intelligent Tutoring Systems Computer-Supported Collaborative Learning http://grockit.com
    • Evolving a Learning Analytics System Ari Bader-Natal http://grockit.com
    • Evolving a Learning Analytics System Ari Bader-Natal System control (adaptive study) Learner control (custom-specified study) System control (adaptive/IRT assessment) http://grockit.com
    • SynchronousCoordinationAsynchronousCoordination
    • Evolving a Learning Analytics System @AriBaderNatal Social and motivational value of having a cohort of peers: • opportunities to ask for assistance (just-in-time guidance) • opportunities for discussion (both on-task and off-task) • opportunities to earn recognition (for assisting others) http://grockit.com
    • Evolving a Learning Analytics System @AriBaderNatal Social and motivational value of having a cohort of peers: • opportunities to ask for assistance (just-in-time guidance) • opportunities for discussion (both on-task and off-task) • opportunities to earn recognition (for assisting others) http://grockit.com
    • Evolving a Learning Analytics System Ari Bader-Natal http://grockit.com
    • Evolving a Learning Analytics System Ari Bader-Natal Learning goals Study plans http://grockit.com
    • Evolving a Learning Analytics System Ari Bader-Natal http://grockit.com
    • Evolving a Learning Analytics System Ari Bader-Natal Indicator of helpfulness Recognition from Recognition of peer learners achievements http://grockit.com
    • Evolving a Learning Analytics System Ari Bader-Natal The first question What are people actually doing? http://grockit.com
    • Evolving a Learning Analytics System Ari Bader-Natal Just look around in the database. http://grockit.com
    • Evolving a Learning Analytics System Ari Bader-Natal Just look around in the database. •select count(*) from learners; http://grockit.com
    • Evolving a Learning Analytics System Ari Bader-Natal Just look around in the database. •select count(*) from learners; •select * from discussions; http://grockit.com
    • Evolving a Learning Analytics System Ari Bader-Natal Just look around in the database. •select count(*) from learners; •select * from discussions; •select * from responses; http://grockit.com
    • Evolving a Learning Analytics System Ari Bader-Natal Just look around in the database. •select count(*) from learners; •select * from discussions; •select * from responses; •select avg(time) from responses http://grockit.com
    • Evolving a Learning Analytics System Ari Bader-Natal The interesting questions Exploratory Data Analysis... http://grockit.com
    • Evolving a Learning Analytics System @AriBaderNatal http://grockit.com
    • Evolving a Learning Analytics System @AriBaderNatal What is effective? What is engaging? http://grockit.com
    • Evolving a Learning Analytics System @AriBaderNatal What is effective? What is engaging? • How does frequency and duration of discussions during group study sessions differ between high school students and post-college learners? http://grockit.com
    • Evolving a Learning Analytics System @AriBaderNatal What is effective? What is engaging? • How does frequency and duration of discussions during group study sessions differ between high school students and post-college learners? • Do students who work in groups spend more time on task than those who choose to work alone? http://grockit.com
    • Evolving a Learning Analytics System @AriBaderNatal What is effective? What is engaging? • How does frequency and duration of discussions during group study sessions differ between high school students and post-college learners? • Do students who work in groups spend more time on task than those who choose to work alone? • Which of the various interventions within Grockit lead to the largest learning gains? http://grockit.com
    • Evolving a Learning Analytics System @AriBaderNatal What is effective? What is engaging? • How does frequency and duration of discussions during group study sessions differ between high school students and post-college learners? • Do students who work in groups spend more time on task than those who choose to work alone? • Which of the various interventions within Grockit lead to the largest learning gains? • Do peer-awarded points motivate more discussion in small group settings? http://grockit.com
    • Evolving a Learning Analytics System @AriBaderNatal What is effective? What is engaging? • How does frequency and duration of discussions during group study sessions differ between high school students and post-college learners? • Do students who work in groups spend more time on task than those who choose to work alone? • Which of the various interventions within Grockit lead to the largest learning gains? • Do peer-awarded points motivate more discussion in small group settings? • How does an Item Response Theory model compare to a Knowledge Tracing model, in terms of predictive accuracy or responses? http://grockit.com
    • Evolving a Learning Analytics System @AriBaderNatal What is effective? What is engaging? • How does frequency and duration of discussions during group study sessions differ between high school students and post-college learners? • Do students who work in groups spend more time on task than those who choose to work alone? • Which of the various interventions within Grockit lead to the largest learning gains? • Do peer-awarded points motivate more discussion in small group settings? • How does an Item Response Theory model compare to a Knowledge Tracing model, in terms of predictive accuracy or responses? • Are video explanations more effective than written explanations? http://grockit.com
    • Evolving a Learning Analytics System @AriBaderNatal http://grockit.com
    • Evolving a Learning Analytics System @AriBaderNatal Question: http://grockit.com
    • Evolving a Learning Analytics System @AriBaderNatal Question: Are the questions currently available appropriate for the current population of learners? http://grockit.com
    • Evolving a Learning Analytics System @AriBaderNatal Question: Are the questions currently available appropriate for the current population of learners? • Are there enough hard questions? http://grockit.com
    • Evolving a Learning Analytics System @AriBaderNatal Question: Are the questions currently available appropriate for the current population of learners? • Are there enough hard questions? • Are there enough easy questions? http://grockit.com
    • Evolving a Learning Analytics System @AriBaderNatal Question: Are the questions currently available appropriate for the current population of learners? • Are there enough hard questions? • Are there enough easy questions? Actionable: http://grockit.com
    • Evolving a Learning Analytics System @AriBaderNatal Question: Are the questions currently available appropriate for the current population of learners? • Are there enough hard questions? • Are there enough easy questions? Actionable: If there isn’t a good fit, ask the content authors to start focusing on writing what is currently most needed. http://grockit.com
    • Evolving a Learning Analytics System @AriBaderNatal The infrastructure question How can we streamline analysis? http://grockit.com
    • Evolving a Learning Analytics System @AriBaderNatal http://grockit.com
    • Evolving a Learning Analytics System @AriBaderNatal collection http://grockit.com
    • Evolving a Learning Analytics System @AriBaderNatal collection selection http://grockit.com
    • Evolving a Learning Analytics System @AriBaderNatal collection selection analysis http://grockit.com
    • Evolving a Learning Analytics System @AriBaderNatal collection selection analysis visualization http://grockit.com
    • Evolving a Learning Analytics System @AriBaderNatal collection selection analysis visualization distribution http://grockit.com
    • Evolving a Learning Analytics System @AriBaderNatal collection selection analysis visualization distribution http://grockit.com
    • Evolving a Learning Analytics System @AriBaderNatal collection selection analysis visualization distribution http://grockit.com
    • Evolving a Learning Analytics System @AriBaderNatal collection selection analysis visualization distribution http://grockit.com
    • Evolving a Learning Analytics System @AriBaderNatal collection selection analysis visualization distribution http://grockit.com
    • Evolving a Learning Analytics System @AriBaderNatal http://grockit.com
    • Evolving a Learning Analytics System @AriBaderNatal The subset question How can we ask the same question of different subsets of the available data? http://grockit.com
    • Evolving a Learning Analytics System @AriBaderNatal Example views http://grockit.com
    • Evolving a Learning Analytics System @AriBaderNatal Multiple views at once. http://grockit.com
    • Evolving a Learning Analytics System @AriBaderNatal Multiple views at once. Subject (e.g. Algebra) Game User (e.g. Ari) Question Game Session Question Session Response Chat Message http://grockit.com
    • Evolving a Learning Analytics System @AriBaderNatal Multiple views at once. Subject (e.g. Algebra) Game User (e.g. Ari) Question Game Session Question Session Response Chat Message http://grockit.com
    • Evolving a Learning Analytics System Ari Bader-Natal http://grockit.com
    • Evolving a Learning Analytics System @AriBaderNatal http://grockit.com
    • Evolving a Learning Analytics System @AriBaderNatal The missing data question What about actions that leave no trace? http://grockit.com
    • Evolving a Learning Analytics System @AriBaderNatal http://grockit.com
    • Evolving a Learning Analytics System @AriBaderNatal The pro-active question How can we test out new hypotheses? The effort question How can we reduce friction in experimentation and hypothesis testing? http://grockit.com
    • Evolving a Learning Analytics System Ari Bader-Natal http://xkcd.com/552/ http://grockit.com
    • Evolving a Learning Analytics System Ari Bader-Natal R. Kohavi, R. Henne, and D. Sommerfield. Practical guide to controlled experiments on the web. In Proceedings of the 13th ACM SIGKDD International Conference on Knowledge Discovery and Data Mining. ACM, 2007. http://bit.ly/exp-long http://bit.ly/exp-short Eric Ries: The one line split-test, or how to A/B test all the time. http://bit.ly/one-line-split http://grockit.com
    • Evolving a Learning Analytics System Ari Bader-Natal http://grockit.com
    • Evolving a Learning Analytics System Ari Bader-Natal InitialQuestions Should new students be given easier questions when playing alone, until they answer at least 5 questions correctly? This test is being assigned and evaluated for new users only. EasyFirst Normal Subsequent activity (1657 persons) (1721 persons) (difference) Participated in further study 73.2% (1213) 67.5% (1161) (2.6% to 8.9%) ** Participated in group study 31.4% (520) 27.0% (464) (1.3% to 7.5%) * Logged in again later 30.8% (510) 28.4% (489) Participated in group discussion 22.1% (366) 18.4% (316) (1% to 6.5%) * Reviewed past questions 13.9% (230) 12.8% (221) http://grockit.com
    • Evolving a Learning Analytics System @AriBaderNatal The discovery question How can we deliver findings effectively? http://grockit.com
    • Evolving a Learning Analytics System @AriBaderNatal http://grockit.com
    • Evolving a Learning Analytics System @AriBaderNatal http://grockit.com
    • Evolving a Learning Analytics System @AriBaderNatal The production questions Scalability? Performance? Reliability? http://grockit.com
    • Evolving a Learning Analytics System @AriBaderNatal http://grockit.com
    • Evolving a Learning Analytics System @AriBaderNatal The audience question How can this help teachers and learners? http://grockit.com
    • Evolving a Learning Analytics System Ari Bader-Natal http://grockit.com
    • Evolving a Learning Analytics System Ari Bader-Natal Performance (per-skill) http://grockit.com
    • Evolving a Learning Analytics System @AriBaderNatal My unresolved question Is evolving the right approach? http://grockit.com
    • Evolving a Learning Analytics System @AriBaderNatal YAGNI: “You Ain’t Gonna Need It” Ron Jeffries: “Always implement things when you actually need them, never when you just foresee that you need them.” http://grockit.com
    • Evolving a Learning Analytics System @AriBaderNatal In the age of #BigData, how do you choose tools for analysis before your dataset is undeniably Big? Start with Big tools or YAGNI? YAGNI: “You Ain’t Gonna Need It” Ron Jeffries: “Always implement things when you actually need them, never when you just foresee that you need them.” http://grockit.com
    • Evolving a Learning Analytics System @AriBaderNatal Your unresolved questions ??? http://grockit.com
    • Thanks! Evolvinga Learning Analytics PlatformAri Bader-Natal Thomas Lotze ari@grockit.com thomas@grockit.com @AriBaderNatal February 28, 2011