Thanks Miguel and Mike. Sure is a cluttered page, but it might indeed be useful to help students understand confounds and other control issues. I still find many of our senior psych students consider any bias or control problem as a confound, and I am always looking for ways to help them differentiate these problems.
G.L. (Gary) Peterson,Ph.D Psychology@SVSU > On Jun 23, 2014, at 10:14 AM, "Mike Palij" <m...@nyu.edu> wrote: > >> On Mon, 23 Jun 2014 06:13:28 -0700, Miguel Roig wrote: >> I saw this video on FB, http://www.lifebuzz.com/chewing-gum/#!2ytsL , which >> portrays an 'experiment' in which one member of a set of twins chewed gum and >> viewers rated both twins on a variety of traits and characteristics. I >> thought >> the video might be useful for teaching about confounds, balancing conditions, >> etc. > > One obvious problem is the control condition used. Instead of thinking > of the manipulation as being "chewing gum vs not chewing gum" > consider "animacy/activity vs inactivity". Assuming that people are > more sensitive to animacy/activity than inactivity and that people > may associate a more positive response to activity, then the results > are not surprising. If I remember correctly, sentences with active agents > (animacy) are processed differently from sentences where the agents > in the sentence are not engaged in obvious activity. In any event, > I think the more proper control is to have the other twin doing something > with their face, say, making positive faces (smiling), negative faces > (frowns), and neutral (expressionless like the controls in the video). > > So, if we can get triplets, we can have three conditions: > (1) chewing gum > (2) neutral (no facial movement) > (2) different emotional expression > > Anybody want to write a grant proposal? ;-) > > -Mike Palij > New York University > m...@nyu.edu > > > --- > You are currently subscribed to tips as: peter...@svsu.edu. > To unsubscribe click here: > http://fsulist.frostburg.edu/u?id=13445.e3edca0f6e68bfb76eaf26a8eb6dd94b&n=T&l=tips&o=37238 > or send a blank email to > leave-37238-13445.e3edca0f6e68bfb76eaf26a8eb6dd...@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=37243 or send a blank email to leave-37243-13090.68da6e6e5325aa33287ff385b70df...@fsulist.frostburg.edu
