RE:[tips] Whatever happened to pilot studies?

2010-05-12 Thread Marc Carter 
If you know what parameter settings you need in order to show the effect, then, 
sure, no need to pilot.

But I know in attention and depth perception research (the two areas I'm most 
familiar with), it's rare to run a study without having to play with any 
parameters.  You don't start sloppy -- you set things up according to what the 
literature and your hypotheses tell you, and you exercise control as you would 
with any research.

I always felt that pilot work wasn't wasted, but taught me about what the 
source of the effect was.  You go in with an idea that something should do 
something, but you have to play with it a while to figure it out.  Calling it 
"pilot research" sort of demeans it -- it's really empirical research.

But I sure never thought of it as a waste.  That's how I learned what was doing 
what.

m


--
Marc Carter, PhD
Associate Professor and Chair
Department of Psychology
College of Arts & Sciences
Baker University
--




From: Pollak, Edward [mailto:epol...@wcupa.edu]
Sent: Wednesday, May 12, 2010 9:24 AM
To: Teaching in the Psychological Sciences (TIPS)
Subject: [tips] FW: Whatever happened to pilot studies?




My thesis adviser taught me "never run a pilot study."  His point was that you 
should start to do every study as clean & neat as possible and assume that it 
will "work." Certainly, many of these studies will turn into pilot studies when 
problems crop up but to start out assuming it's a pilot study is just wasting 
time & energy. There is, IMO, a fair amount of wisdom in this approach.

Ed

Edward I. Pollak, Ph.D.
Department of Psychology
West Chester University of Pennsylvania

Husband, father, grandfather, biopsychologist, & bluegrass fiddler.. in 
approximate order of importance.


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RE: [tips] YouTube - Impossible motion: magnet-like slopes

2010-05-12 Thread Marc Carter 

It's very much an Ames room -- except it's not a room.  :/

--
Marc Carter, PhD
Associate Professor and Chair
Department of Psychology
College of Arts & Sciences
Baker University
--

> -Original Message-
> From: William Scott [mailto:wsc...@wooster.edu]
> Sent: Wednesday, May 12, 2010 8:18 AM
> To: Teaching in the Psychological Sciences (TIPS)
> Subject: Re: [tips] YouTube - Impossible motion: magnet-like slopes
>
> Nice! Notice that the ball on the far side looks larger until
> the apparatus is rotated.
>
> Bill Scott
>
>
> >>> "Christopher D. Green"  05/12/10 8:57 AM >>>
> One of the best optical illusions you're likely to see.
> (Of course, it would only work on camera.)
> http://www.youtube.com/watch?v=hAXm0dIuyug
>
> Chris
> --
>
> Christopher D. Green
> Department of Psychology
> York University
> Toronto, ON M3J 1P3
> Canada
>
>
>
> 416-736-2100 ex. 66164
> chri...@yorku.ca
> http://www.yorku.ca/christo/
>
> ==
>
>
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Re: [tips] YouTube - Impossible motion: magnet-like slopes

2010-05-12 Thread Jim Clark 
Great illusion.  And here's one of my favorites ... Einstein's eyes following 
you!

http://www.youtube.com/watch?v=XiAyQ-p9HrQ&NR=1

Jim

James M. Clark
Professor of Psychology
204-786-9757
204-774-4134 Fax
j.cl...@uwinnipeg.ca
 
Department of Psychology
University of Winnipeg
Winnipeg, Manitoba
R3B 2E9
CANADA


>>> "Christopher D. Green"  12-May-10 7:56 AM >>>
One of the best optical illusions you're likely to see.
(Of course, it would only work on camera.)
http://www.youtube.com/watch?v=hAXm0dIuyug 

Chris
-- 

Christopher D. Green
Department of Psychology
York University
Toronto, ON M3J 1P3
Canada

 

416-736-2100 ex. 66164
chri...@yorku.ca 
http://www.yorku.ca/christo/ 

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[tips] FW: Whatever happened to pilot studies?

2010-05-12 Thread Pollak, Edward 
My thesis adviser taught me "never run a pilot study."  His point was that you 
should start to do every study as clean & neat as possible and assume that it 
will "work." Certainly, many of these studies will turn into pilot studies when 
problems crop up but to start out assuming it's a pilot study is just wasting 
time & energy. There is, IMO, a fair amount of wisdom in this approach.

Ed

Edward I. Pollak, Ph.D.
Department of Psychology
West Chester University of Pennsylvania

Husband, father, grandfather, biopsychologist, & bluegrass fiddler.. in 
approximate order of importance.

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Re: [tips] YouTube - Impossible motion: magnet-like slopes

2010-05-12 Thread William Scott 
Nice! Notice that the ball on the far side looks larger until the apparatus is 
rotated.

Bill Scott


>>> "Christopher D. Green"  05/12/10 8:57 AM >>>
One of the best optical illusions you're likely to see.
(Of course, it would only work on camera.)
http://www.youtube.com/watch?v=hAXm0dIuyug

Chris
-- 

Christopher D. Green
Department of Psychology
York University
Toronto, ON M3J 1P3
Canada

 

416-736-2100 ex. 66164
chri...@yorku.ca
http://www.yorku.ca/christo/

==


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[tips] YouTube - Impossible motion: magnet-like slopes

2010-05-12 Thread Christopher D. Green 
One of the best optical illusions you're likely to see.
(Of course, it would only work on camera.)
http://www.youtube.com/watch?v=hAXm0dIuyug

Chris
-- 

Christopher D. Green
Department of Psychology
York University
Toronto, ON M3J 1P3
Canada

 

416-736-2100 ex. 66164
chri...@yorku.ca
http://www.yorku.ca/christo/

==


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