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  • Primer on Correlation Coefficients

    This lecture example discusses how two continuous variables relate to one another with a clinical example of the relationship between body mass and fasting blood sugar. It offers three questions to help readers visualize and interpret correlation coefficients.

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  • Primer on 95% Confidence Intervals

    This lecture example reviews the concept of CIs and their relationship to P values. Tables are provided in pdf format.

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  • Primer on Type I and Type II Errors

    This lecture example discusses type I and type II errors as they apply in a clinical setting.

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  • Sample Survey Activity

    This activity stresses the importance of writing clear, unbiased survey questions. It explore the types of bias present in surveys and ways to reduce these biases. In addition, the activity covers some basics of surveys: population, sample, sampling frame, and sampling method.

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  • Cartoon: The Measurement Machine

    A cartoon to teach about the measurement issues of bias, reliability, and validity. Cartoon by John Landers (www.landers.co.uk) based on an idea from Dennis Pearl (The Ohio State University). Free to use in the classroom and on course web sites.

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  • Quote: Deming on Data

    In God we trust, all others bring data. An unsourced quote often attributed to American statistician and quality control pioneer William Edwards Deming (1900-1993). The quote has also been a motto of NASA for several decades.

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  • Quote: Coveyou on Random Numbers

    The generation of random numbers is too important to be left to chance. The title of a 1969 article by American Mathematician and civil rights activist Robert R. Coveyou (1915 - 1996). ("Appl. Math.," 3 p. 70-111)

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  • Quote: Carlyle on Statistics

    A judicious man uses statistics, not to get knowledge, but to save himself from having ignorance foisted upon him. A quote of Scottish satirist and historian Thomas Carlyle (1795 - 1881) from "Chartism, Chapter II" written in 1839. A fuller version of the quote appears in "Statistically Speaking: A dictionary of quotations" compiled by Carl Gaither and Alma Cavazos-Gaither.

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  • Quote: Leno on the Lottery

    How come you never read a headline like 'Psychic Wins Lottery'? A quote from American comedian and "Tonight Show" host Jay Leno (1950 - ).

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  • Cartoon: Hula Hoop Inference

    A cartoon to teach about the relationship between population and sample and correspondingly between parameter and statistic. Cartoon by John Landers (www.landers.co.uk) based on an idea from Dennis Pearl (The Ohio State University). Free to use in the classroom and on course web sites.

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