Not only is pretesting randomly assigned groups not a common practice, outside of the Solomon four-group design, it can lead to the pretesting being a threat to internal validity. If pretesting is to be the basis for matching, there should be a good justification for not leaving the equalization of the groups to random assignment.
Rick Rick Froman rfro...@jbu.edu On Mar 13, 2012, at 12:45 PM, "Jim Clark" <j.cl...@uwinnipeg.ca> wrote: > Hi > > I was surprised to see that the evidential level for some of the recommended > practices was moderate rather than strong (e.g., spacing learning over time). > On reading the guidelines for these classifications, it appears likely to me > that the issue may be pre-testing to demonstrate equivalence of groups > randomly determined. This is not a common practice in randomized designs, > nor should it be necessary to draw a strong conclusion, I would think. > > Take care > Jim > > James M. Clark > Professor of Psychology > 204-786-9757 > 204-774-4134 Fax > j.cl...@uwinnipeg.ca > >>>> "Jonathan Mueller" <jfmuel...@noctrl.edu> 13-Mar-12 12:16 PM >>> > The testing effect is built upon forced recall. Research consistently finds > that recall is superior to recognition for retrieval practice. This guide > from the Institute of Education Sciences > > http://ies.ed.gov/ncee/wwc/pdf/practice_guides/20072004.pdf > > provides a nice overview of several recommendations the research supports on > how to promote effective learning. Recommendation 5b addresses the testing > effect and provides some references for support. > > Jon > > > > > > =============== > Jon Mueller > Professor of Psychology > North Central College > 30 N. Brainard St. > Naperville, IL 60540 > voice: (630)-637-5329 > fax: (630)-637-5121 > jfmuel...@noctrl.edu > http://jonathan.mueller.faculty.noctrl.edu >>>> Michael Britt <mich...@thepsychfiles.com> 3/13/2012 12:06 PM >>> > Lots of research lately on the effectiveness of retrieval practice (i.e., > testing effect). I haven't seen any that answers this question: is it better > to test oneself using recognition methods (multiple choice questions) or > recall (fill in the blank). I would guess that practice using recall would > enhance the testing effect. Anyone know? > > Michael > > Michael A. Britt, Ph.D. > mich...@thepsychfiles.com > http://www.ThePsychFiles.com > Twitter: mbritt > > > > > > > --- > You are currently subscribed to tips as: jfmuel...@noctrl.edu. > To unsubscribe click here: > http://fsulist.frostburg.edu/u?id=13269.01f6211e00cc8f00a7b68e8e24b1b4d6&n=T&l=tips&o=16661 > > or send a blank email to > leave-16661-13269.01f6211e00cc8f00a7b68e8e24b1b...@fsulist.frostburg.edu > > > --- > You are currently subscribed to tips as: j.cl...@uwinnipeg.ca. > To unsubscribe click here: > http://fsulist.frostburg.edu/u?id=13251.645f86b5cec4da0a56ffea7a891720c9&n=T&l=tips&o=16662 > > or send a blank email to > leave-16662-13251.645f86b5cec4da0a56ffea7a89172...@fsulist.frostburg.edu > > > --- > You are currently subscribed to tips as: rfro...@jbu.edu. > To unsubscribe click here: > http://fsulist.frostburg.edu/u?id=13039.37a56d458b5e856d05bcfb3322db5f8a&n=T&l=tips&o=16664 > or send a blank email to > leave-16664-13039.37a56d458b5e856d05bcfb3322db5...@fsulist.frostburg.edu --- You are currently subscribed to tips as: arch...@jab.org. To unsubscribe click here: http://fsulist.frostburg.edu/u?id=13090.68da6e6e5325aa33287ff385b70df5d5&n=T&l=tips&o=16667 or send a blank email to leave-16667-13090.68da6e6e5325aa33287ff385b70df...@fsulist.frostburg.edu
