Stats mavens-- How many students do you need to justify the assumption of a normal (or other) distribution of measures of performance?
On Nov 22, 2013, at 12:34 PM, Paul C Bernhardt wrote: > There are a lot of interesting statements in this paper. I love this one: > > "The purpose of the curve was to reduce the number of students who failed the > first exams – a standard practice in American universities." > > Standard practice? Common practice, certainly, but far from standard. And, > methods of curving are even more varied (I have used in the past a > proportional curving system that gave more points to students who scored very > very poorly, and fewer to this who scored comparatively well). > > Paul > > > On Nov 22, 2013, at 11:17 AM, Gerald Peterson wrote: > >> I am a fan of more frequent testing, but what do folks think about the >> authors' contortions and post hoc fishing to find that their daily quiz >> class was comparatively better? If regular testing and retesting is >> effective, it ought to be easier to show greater comprehension and mastery >> of the material at the end of the term. If the daily quizzes are short with >> MC type questions, could students later show their learning on a full exam, >> with short answer and fill-in questions? I think varied daily testing and >> retesting would better promote transfer. >> >> >> >> >> G.L. (Gary) Peterson,Ph.D >> Psychology@SVSU >> >> >> On Nov 21, 2013, at 9:12 PM, Christopher Green <[email protected]> wrote: >> >>> As though you didn't have enough people telling you how to teach already. >>> Still, interesting finding. >>> >>> http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0079774?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+plosone%2FPLoSONE+%28PLOS+ONE+Alerts%3A+New+Articles%29 >>> >>> Chris Paul Brandon Emeritus Professor of Psychology Minnesota State University, Mankato [email protected] --- You are currently subscribed to tips as: [email protected]. To unsubscribe click here: http://fsulist.frostburg.edu/u?id=13090.68da6e6e5325aa33287ff385b70df5d5&n=T&l=tips&o=30432 or send a blank email to leave-30432-13090.68da6e6e5325aa33287ff385b70df...@fsulist.frostburg.edu
