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Webinars

  • Interactive R tutorials with learnr

    Mine Cetinkaya-Rundel
    Tuesday, May 8, 2018 - 2:00pm
    The learnr R package provides a new multimedia approach for teaching statistics and programming with R. Building on R Markdown, this package allows teachers to create interactive tutorials containing narrative, figures, illustrations, and equations, code exercises (R code chunks that users can edit and execute directly), multiple choice quiz questions, videos, and interactive Shiny components. Tutorials built with this tool can be used for checking and reinforcing students' understanding and have the benefit of being self-paced and provide instant feedback. In this webinar we will demonstrate how to use the learnr package to build interactive R tutorials and discuss best practices for using them.
  • A study on the current state of the use of online/flipped classroom pedagogy in statistics/biostatistics

    Todd Schwartz and Jane Monaco (University of North Carolina)
    Tuesday, April 10, 2018 - 2:00pm
    Online courses and 'flipped' classrooms are becoming more commonly found in statistics/biostatistics. A gap exists in the literature in regard to a systematic study of instructors' of these types of (bio)statistics courses. We conducted a survey to elicit these instructor's responses in terms of implementation, ratings, recommendations, and opinions, and we report on n=46 such instructors. In this webinar, we describe characteristics of these respondents' courses, as well as summarizing their responses on various aspects. Results are given both overall, as well as for different subgroups of interest. Our findings should be useful to inform statistics educators who might be considering adopting these formats.
  • Statistics knowledge among health sciences faculty

    Matt Hayat, Michael Jiroutek, MyoungJin Kim, and Todd Schwartz
    Tuesday, March 27, 2018 - 2:00pm
    Healthcare professionals and faculty depend on the health and medical literature to keep current with clinical information and best evidence-based practices. Yet, little is known about their knowledge of, and comfort level with, statistics. We conducted a research study on health sciences faculty to assess their knowledge about statistics. A probability sample of schools of dentistry, nursing, medicine, pharmacy, and public health were selected, and faculty were invited to complete a brief online survey that included 9 demographic-related questions and a 10-question statistics knowledge instrument. In this webinar we will present study results, including aggregated findings for the 708 respondents, as well as interesting discipline-specific findings. Implications for statistics educators will be discussed, and time will be allotted for questions from the audience.
  • What should we teach in data science courses?

    Dennis Sun (Cal Poly and Google)
    Tuesday, February 13, 2018 - 2:00pm
    Over the last few years, there has been a consensus that data science students should be involved in all stages of the data analysis process, from data preparation and wrangling, to presentation and visualization. But data science courses have varied widely in their implementation. Some courses go into great depth about statistical models and machine learning, while others focus on tools like XML, SQL, and web scraping. While there is no question that a budding data scientist must acquire these skills eventually, what should be covered in a course on data science? I suggest that data science courses be organized around three core concepts: paradigms for representing data, paradigms for manipulating data, and paradigms for visualization. These are topics of genuine intellectual merit that are underrepresented elsewhere in the statistics and computer science curriculum. The tools are secondary, and I suggest how such a course could be taught using R examples using the tidyverse or using Python examples.
  • Symbulate: Simulation in the Language of Probability

    Kevin Ross, Cal Poly
    Thursday, January 11, 2018 - 2:00pm
    Simulation is an effective tool for analyzing probability models as well as for facilitating understanding of concepts in probability and statistics. Unfortunately, implementing a simulation from scratch often requires users to think about programming issues that are not relevant to the simulation itself. We have developed a Python package called Symbulate (https://github.com/dlsun/symbulate) which provides a user friendly framework for conducting simulations involving probability models. The syntax of Symbulate reflects the "language of probability" and makes it intuitive to specify, run, analyze and visualize the results of a simulation. Moreover, Symbulate's consistency with the mathematics of probability reinforces understanding of probabilistic concepts.  This webinar will demonstrate Symbulate's use with a variety of probability concepts and problems, including: probability spaces; events; discrete and continuous random variables; joint, conditional, and marginal distributions; stochastic processes; and more.
  • The Hows and Whys of Reasoning with the ASA Ethical Guidelines

    Rochelle Tractenberg (Georgetown University)
    Tuesday, January 9, 2018 - 2:00pm
    Since data analysis is becoming important across disciplines, the ASA Ethical Guidelines for Statistical Practice, which were updated in 2016, can serve to introduce all students in quantitative disciplines to critical concepts of responsible data analysis, interpretation, and reporting. The Guidelines contain elements that are suitable, and important, components of training for undergraduates whether or not they are statistics majors, to prepare them for ethical quantitative work. The Guideline principles interact, and sometimes must be prioritized. Therefore, neither the simple distribution of –nor an encouragement to memorize- the Guidelines can promote the necessary level of awareness. This presentation will introduce ethical reasoning as a learnable, improvable skill set that can provide an entry point to working with the 2016 revised ASA Ethical Guidelines.
  • Regression to the Mean/The regression effect

    Jeff Witmer (Oberlin College)
    Tuesday, October 17, 2017 - 2:00pm
    Regression to the mean, also known as "the regression effect," is an important but sometimes overlooked topic in introductory statistics. We will discuss the regression effect and how to teach it. We will also consider a number of examples of the "regression fallacy," in which people who are ignorant of the regression effect make up ad hoc (and sometimes very misleading) explanations for what they see in data.
  • Maximizing Linked Data's Network Effect

    Carolee Mitchell, Academic Relationships Manager, data.world
    Tuesday, July 25, 2017 - 2:00pm
    18M+ open datasets exist today, and growth is accelerating. But these data sets live in data portals without common taxonomies or architectures, and must first be cleaned and prepared by data users. Human and computers normalize, extract meaning, and identify correlations, but this work is siloed: used for one project, then lost forever, only to be repeated from scratch by the next person to touch the data. Open data can help us rise to humanity’s toughest challenges, but only if we maximize its network effect. To build the web of Linked Data, we have to start by connecting the people who are working with data. Visit: https://data.world/
  • Teaching the Past, Present, and Future of Statistics

    Nicholas J. Horton (Amherst College)
    Tuesday, June 20, 2017 - 2:00pm
    In 2014 Committee of Presidents of Statistical Societies (COPSS) published a book entitled "Past, Present, and Future of Statistical Science" that contains 52 short chapters contributed by past winners of one of the COPSS Awards. The goal of the book (which is freely downloadable from the COPSS website or http://tinyurl.com/copss-ppf) was to "showcase the breadth and vibrancy of statistics, to describe current challenges and new opportunities, to highlight the exciting future of statistical science, and to provide guidance for future generations of statisticians (page xvii)." In this webinar, I will describe how these chapters were integrated into a theoretical statistics course to help students see the big picture and potential for statistics.
  • Initial Findings about Graduate Teaching Assistants’ Training Needs to Foster Active Learning in Statistics

    Kristen Roland and Jennifer Kaplan (University of Georgia)
    Tuesday, April 18, 2017 - 2:00pm
    As enrollment in introductory statistics courses across the country rises, more instructors for these courses are needed. Many statistics courses are now taught by Graduate Teaching Assistants (GTAs). Little is known, however, about the training needs of GTAs to foster active learning and promote conceptual understanding, critical recommendations of the GAISE guidelines to improve undergraduate learning in statistics. This talk will discuss changes to our lab activities to incorporate GAISE recommendations of teaching for conceptual understanding, foster active learning, and integrating real data. We will also discuss initial findings concerning the struggles GTAs have with connecting their theoretical knowledge to conceptual ideas concerning confidence intervals for one population proportion. The material is based on work supported by NSF DUE 1504587.

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