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An
Example of Judgmental Rotation
Consider for a moment that
Judgmental Rotation is an active process and that the researcher's
theoretical interests are the primary guides. The graphic controls in PCQ
allow the researcher to put the theoretical considerations into motion within
a graphical framework. Remember that the interrelationships of the sorts 
the points shown in the graph  are not changed in any way in rotation. It
is the grid that is rotated so that variance is shifted from one factor to
another. (Please refer to the FAQ and Technical Notes for more information about variance.)
The shifting of variance is analogous to tuning a violin or focusing a camera
lens. This worked example of a
Judgmental Rotation is an adaptation of the Lipset Q study, to be found in
Brown's Political Subjectivity For convince, colors have
been assigned to each sort. The assignments are based upon the final outcome
of the rotation: 

Color
Key 
Factor 
Sort
numbers 
Nationalities 
Notes 

Note: The
"before" image is shown on the left and the "after" image
is on the right. 


Rotation 1: Factor 1.0 by Factor 2.0, 27° 




Rotation 2: Factor 1.1 by Factor 3.0, +35° 




Rotation 3: Factor 1.2 by Factor 5.0, +27° 




Rotation 4: Factor 2.1 by Factor 4.0, 13° 




Rotation 5: Factor 4.1 by Factor 6.0, +30° 




Rotation 6: Factor 3.1 by Factor 6.1, +12° 




Rotation 7: Factor 2.2 by Factor 5.0, +10° 




Rotation 8: Factor 2.3 by Factor 6.2, 27° 




Rotation 9: Factor 4.1 by Factor 5.1, 41° 




Rotation 10: Factor 4.2 by Factor 7.0, 30° 



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Results of the Rotations
Since there are four
factors remaining, the relationships of the sorts can be visualized in six
images. 

Before Judgmental Rotation 
After Judgmental Rotation 










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Copyright © 2000, 2001,
2002, 2003, 2004 Michael Stricklin & Ricardo Almeida (All Rights Reserved) 
Last update on 09 March
2010. 
