Lock5Kindergarten and CrimeDoes Kindergarten Lead to Crime?Yes, according to research conducted by New Hampshire state legislature Bob Kingsbury“Kingsbury (R-Laconia), 86, recently claimed that analyses he’s been carrying out since 1996 show that communities in his state that have kindergarten programs have up to 400% more crime than localities whose classrooms are free of finger-painting 5-year-olds. Pointing to his hometown of Laconia, the largest of 10 communities in Belknap County, the legislator noted that it has the only kindergarten program in the county and the most crime, including most or all of the county’s rapes, robberies, assaults and murders.”Szalavitz, M. “Does Kindergarten Lead to Crime? Fact-Checking N.H. Legislator’s `Research’,” healthland.time.com, 7/6/12.
Statistics: Unlocking the Power of DataLock5Texas GOP PlatformA few days later, the Texas GOP 2012 Platform announced that it opposed early childhood educationCausation or just association?Source: Strauss, V. “Texas GOP rejects ‘critical thinking’ skills. Really.” , 7/9/12.
Statistics: Unlocking the Power of DataLock5Data from Facebook and Bloomberg
Statistics: Unlocking the Power of DataLock5Data from NASA and National Science Foundation
Statistics: Unlocking the Power of DataLock5Data from US Social Security Administration and National Housing Finance Agency
Statistics: Unlocking the Power of DataLock5Data from Rotten Tomatoes, Newspaper Association of America
Statistics: Unlocking the Power of DataLock5Data from Google, Real Clear Politics
Statistics: Unlocking the Power of DataLock5Data from NY Law Enforcement Agency
Statistics: Unlocking the Power of DataLock5It’s a Common Mistake!“The invalid assumption that correlation implies cause is probably among the two or three most serious and common errors of human reasoning.”- Stephen Jay Gould
Statistics: Unlocking the Power of DataLock5
Statistics: Unlocking the Power of DataLock5Randomization•How can we make sure to avoid confounding variables?RANDOMLY assign values of the explanatory variable
Statistics: Unlocking the Power of DataLock5Randomized ExperimentIn a randomized experimentthe explanatory variable for each unit is determined randomly, before the response variable is measured
Statistics: Unlocking the Power of DataLock5Randomized ExperimentThe different levels of the explanatory variable are known as treatmentsRandomly divide the units into groups, and randomly assign a different treatment to each groupIf the treatments are randomly assigned, the treatment groups should all look similar