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Hi could anyone help by explaining what having a negative loading on a principal component analysis means? is it as obvious as it seems? I am developing a measure of current sexual interest and my fourth component contains negative loadings so does it mean they are not interested in the items? thanks, Geraldine 
 

CPsychol(Foren.)
HCPC Registered Forensic Psychologist
Therapy Manager HMP Grendon
PhD candidate University of Birmingham http://www.birmingham.ac.uk/schools/psychology/people/dr-students/akerman-geraldine.aspx
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