> Thank you for your responses. I, unfortunately, gave my student a variant
> of the answer below. I had everyone jiggle their eyes with their hands in
> class. And, I must admit to feeling pretty good about it. I also
> hypothesized that if that were the case then other objects with similar
> spatial frequency would also appear to jiggle. Well....
>
> last monday my student brought her electric toothbrush, her electric
> clock, and a package with writing of about the same contrast and spatial
> frequency to the class and challenged me and other students to try it.
> Only the clock digits appeared to jiggle. (We spend a few minutes before
> each class talking about current affairs and applications of material etc.
> So, it was fun.)
>
Golly, isn't everyone's "teachable moment" alarm going off like crazy here?? Do
some science! What are the variables that might be present here? How could one
systematically vary those? How can one eliminate alternative explanations here?
Etc., etc., etc.
Pat Cabe
**************************************************
Patrick Cabe, Ph.D.
Department of Psychology
University of North Carolina at Pembroke
One University Drive
Pembroke, NC 28372-1510
(910) 521-6630
[EMAIL PROTECTED]
