Dear Tipsters, I wrote a review of the VVIQ back in ’95 (Journal of Mental Imagery). This included a critical analysis of the concept of vividness. I found that VVIQ scores were correlated with scores on measures of social desirability, but that the size of the relationship was ‘acceptable’, i.e., not sufficient to seriously contaminate other research findings. Reliability was mixed, perhaps because vividness is not a stable trait. I found that there was a variety of relationships between VVIQ scores and scores on other performance tasks and concluded that, overall, there was support for construct validity of the VVIQ.
Of course, the original question was about finding an objective test of
‘clarity’ of imagery, which is another matter.
Sincerely,
Stuart
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"Recti cultus pectora roborant"
Stuart J. McKelvie, Ph.D., Phone: 819 822 9600 x 2402
Department of Psychology, Fax: 819 822 9661
Bishop's University,
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Bishop's University Psychology Department Web Page:
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Floreat Labore"
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From: MiguelRoig [mailto:[email protected]]
Sent: September 11, 2012 8:47 AM
To: Teaching in the Psychological Sciences (TIPS)
Subject: Re: [tips] Looking for an imagery test
Ah! Thanks for the citation related to the VVIQ, Mike. I understand that one
issue with that measure is that it has some difficulty identifying individual
with poor imagery. That the VVIQ correlates with social desirability may, in
part, explain that difficulty.
Miguel
________________________________
From: "Michael Palij" <[email protected]<mailto:[email protected]>>
To: "Teaching in the Psychological Sciences (TIPS)"
<[email protected]<mailto:[email protected]>>
Cc: "Michael Palij" <[email protected]<mailto:[email protected]>>
Sent: Monday, September 10, 2012 7:31:38 PM
Subject: Re: [tips] Looking for an imagery test
On Mon, 10 Sep 2012 14:47:23 -0700, Miguel Roig wrote:
>Thanks, Mike. We had actually thought of the Flags Test. However, that one
>seems to be more a test of spatial ability than of mental imagery. Besides, the
>Flags Test does not really tap 'clarity' of imagery, though I am not certain
>that there is a task-based test that does. The Vividness of Visual Imagery
>Questionnare is a good one, but we are looking for an alternate one.
Whether the Flags test is a measure of visual imagery or spatial ability
or both depends upon one's theoretical orientation. Roger Shepard used
the original version as a basis for his mental rotation studies which helped
to provide a significant degree of scientific legitimacy to studies of imagery.
However, in extensions of Baddeley's working memory model, the visual-spatial
sketchpad is seen as one way to represent visual-spatial information while
others have argued for a separate spatial working memory that does not
require visual information (e.g., representation of the location of objects in
an environment based on other cues, such a sound localization).
I've looked at some of the literature on the VVIQ and though there appears
to be some problems with it (for example, see:
http://www.ncbi.nlm.nih.gov/pubmed/21494918 )
there is a recent publication on the psychometric properties of a revised
version of the VVIQ; see:
http://www.amsciepub.com/doi/abs/10.2466/04.22.PMS.113.5.454-460
On a side note, though I can understand the historical interest in imagery
vividness it is my impression that this is less of an issue in contemporary
cognitive psychology (i.e., work of Shepard, Kosslyn, Paivio, etc.). Ron
Finke examined some of these issues in his research which he describes
in a 1990 Scientific American article; see:
http://sonify.psych.gatech.edu/~walkerb/classes/perception/readings/Finke1990.pdf
-Mike Palij
New York University
[email protected]<mailto:[email protected]>
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