Search Results for Tag: Statistics

The ‘Edutainer’ of Data: Hans Rosling, 1948-2017

Although he had an important career as a research epidemiologist and an academic, Hans Rosling’s global fame rested on two pillars: stats and hope.  Starting with a TED talk a little over a decade ago, Rosling used his insight, command of statistics, wit and a few props like bayonets and toilet tissue tubes, to explain […]

Categories: Editorial, Quantitative

Tags: , ,

Continue Reading

Archived Webinar: Tips for Overcoming Statistics Anxiety

On November 16, bestselling author Neil J. Salkind  discuss strategies that you can implement to reduce statistics anxiety in your students. Using his more than 30 years of teaching experience, Salkind cover some of the topics that students struggle with most, including correlation, understanding hypotheses, and significance (including z-scores and t-tests). Salkind taught for 35 years […]

Categories: Opportunities

Tags: , ,

Continue Reading

Mind the Confidence Interval!

“Most patients using the new analgesia reported significantly reduced pain.” Such research findings sound exciting because the word significant suggests important and large. But researchers often use the word with a narrow statistical meaning that has nothing to do with importance. Consider this statement – a change is statistically significant if we are unlikely to […]

Categories: Quantitative

Tags: ,

Continue Reading

A Primer on p Hacking

  There is a replicability crisis in science – unidentified “false positives” are pervading even our top research journals. A false positive is a claim that an effect exists when in actuality it doesn’t. No one knows what proportion of published papers contain such incorrect or overstated results, but there are signs that the proportion […]

Categories: Quantitative

Tags: , ,

Continue Reading

Free Chapter From Andy Field’s New Statistics Book

Will Zach find Alice, the missing love of his life, and save the world? Will he survive the bridge of death? Can he escape the zombie horde? Statistically speaking the odds don’t look good … Award-winning teacher and bestselling author Andy Field hasn’t just broken the traditional textbook mold with his new, stunningly illustrated introduction […]

Categories: SAGE Posts, Tools and Resources

Tags: ,

Continue Reading

Statistical Association Takes on Use, Abuse of P-values

Even as it insists it’s not really saying anything new, the American Statistical Association Board of Directors has laid down a marker in the debate over what constitutes “statistical significance.” After months of discussion with a blue-chip panel of experts, the association has laid down six principles about what constitutes good practice when dealing with […]

Categories: Quantitative

Tags: ,

Continue Reading

Focusing on Average Treatment Impacts May Underestimate Program Impacts

This post is based on the article “Reconsidering findings of “no effects” in randomized control trials: Modeling differences in treatment impacts” by Brad Chaney. The article appears online at the American Journal of Evaluation. When impacts vary from one subgroup to another, then focusing on average treatment effects (ATEs) may underestimate the impacts, according to […]

Categories: Quantitative

Tags: , ,

Continue Reading

Statistics” Crisis of Reproducibility

The past and future collided last year for the International Year of Statistics, when six professional organizations celebrated the multifaceted role of statistics in contemporary society to raise public awareness of statistics, and to promote thinking about the future of the discipline. The past came in the form of the 300th anniversary of Jacob Bernoulli’s Ars conjectandi (Art […]

Categories: Quantitative

Tags: , ,

Continue Reading

Not Reading Your Stats Textbook? Award-Nominated Online Book Knows and Tells

UPDATE: Gregory Francis’s IntroStats Online did win the Software & Information Industry Association’s 2014 CODiE Award for Best Social Sciences Instructional Solution. For a full list of award winners, visit http://www.siia.net/codies/2014/winners.asp.   *** Statistics can be a hard slog for the students taking their first, and sometimes only, jaunt through this quantitative minefield. But an […]

Categories: Quantitative, SAGE Posts

Tags: , ,

Continue Reading

”Most Promising New Textbook” author shares insights on behavioral research methods

Research Methods for the Behavioral Sciences, by psychologist Gregory J. Privitera, has been honored by the Text and Academic Authors Association with a 2014 Most Promising New Textbook Award, dubbed a Texty. The award category was created in 2012 to recognize current textbooks and learning materials that are still in their first editions. Judges are […]

Categories: Quantitative

Tags: , , ,

Continue Reading