Blogroll
Archives
- May 2013
- April 2013
- March 2013
- February 2013
- January 2013
- December 2012
- November 2012
- October 2012
- September 2012
- August 2012
- July 2012
- June 2012
- May 2012
- April 2012
- March 2012
- February 2012
- January 2012
- December 2011
- November 2011
- October 2011
- September 2011
- August 2011
- July 2011
- June 2011
- May 2011
- April 2011
- March 2011
- January 2011
- November 2010
- October 2010
- September 2010
- August 2010
- July 2010
- June 2010
- May 2010
- April 2010
- February 2010
- January 2010
- December 2009
- November 2009
- October 2009
- September 2009
- August 2009
- July 2009
- June 2009
- May 2009
- April 2009
- March 2009
- February 2009
- January 2009
- December 2008
- November 2008
- October 2008
- September 2008
- August 2008
- July 2008
- June 2008
- May 2008
- April 2008
- January 2008
- December 2007
- November 2007
- October 2007
- September 2007
- August 2007
- July 2007
- June 2007
- May 2007
- March 2007
Monthly Archives: January 2012
Ecological Validity
Term of the day: ecological validity. Ecological validity is a pretty big concern in ed psych, obviously. But I’ve also just read an interesting paper in Health, Risk, and Vulnerability which talks about the ecological validity of psychiatric assessment of criminals being … Continue reading
Posted in Appendix, regular
Leave a comment
Simpson’s Paradox
Example of Simpson’s Paradox from The Numbers behind Numb3rs. In this example„ women are accepted at a higher rate (or roughly equal rate) to all of Berkeley’s programs, but are accepted a a lower rate when those acceptances are combined into university-wide … Continue reading
Posted in Appendix, photo
Leave a comment
A good example of age as confounder
From The Numbers behind Numb3rs: Cobb illustrated the distinction by means of a famous example from the long struggle physicians and scientists had in overcoming the powerful tobacco lobby to convince governments and the public that cigarette smoking causes lung … Continue reading
Posted in Appendix, regular
Leave a comment
Predictive Efficiency
From Farrington & Tarling’s Prediction in Criminology, a new term: predictive efficiency. The way to think about it is this — suppose I say that a college education predicts low incidence of being convicted of a violent crime, and at … Continue reading
Posted in Appendix, photo
Leave a comment
Incidence, Prevalence, and the Obama Job Record
Since the statistics class I teach is supposed to be integrative — that is, to show connections between various disciplines and other aspects of life — I’m always on the lookout for ways to jury-rig an understanding from one domain … Continue reading
Posted in Appendix, regular
Leave a comment
From Swing Voters via ilovecharts This is a great example for students of how longitudinal measurement is sometimes used in polling to understand the effect of a specific event. The post-speech numbers alone tell us a bit about Obama’s popularity, but nothing about … Continue reading
Posted in Appendix, photo
Leave a comment
Diagnostic vs. Spectral Markers. From Principles of Medical Statistics. Diagnostic markers are about whether the disease is present, whereas spectral markers deal with severity and stage.
Posted in Appendix, photo
Leave a comment
‘Adrift’ in Adulthood: Students Who Struggled in College Find Life Harsher After Graduation
‘Adrift’ in Adulthood: Students Who Struggled in College Find Life Harsher After Graduation From the article: Here is what they found: Graduates who scored in the bottom 20 percent on a test of critical thinking fared far more poorly on … Continue reading
Posted in Appendix, link
Leave a comment
Infant mortality and choice of a base
If I have 10 kids in my class and two failed last year and one failed this year, I can say two equivalent things: 50% less students failed my course this year 10% more of my students passed. The odd … Continue reading
Posted in Appendix, regular
Leave a comment
Tutoring at Scale Sighting
From The Chronicle, Tenured Professor Departs Stanford U., Hoping to Teach 500,000 Students at Online Start-Up: Eventually, the 200 students taking the course in person dwindled to a group of 30. Meanwhile, the course’s popularity exploded online, drawing students from … Continue reading
Posted in Appendix, regular
Leave a comment
