Abstract：
:Multivariate techniques have used data from hand preference questionnaires to group hand preference items, but no attempt has been made to date to use multivariate analyses to group individuals in terms of handedness groups. This study analyzed the responses of 645 subjects on the Waterloo 60-item handedness questionnaire with a cluster analysis (BMDP) in order to determine the grouping of individuals in terms of hand preference patterns. Five distinct handedness groups were recognized by this procedure and a Discriminant Function Analysis revealed a very high accuracy of assigning individuals to the five groups. A cluster analysis of a shorter 14-item questionnaire suggested three distinct handedness groups, and the degree of accuracy of assigning individuals to these groups was also very high. As is the case with all multivariate techniques in neuropsychology, the question of whether the clusters form meaningful groupings awaits an answer in terms of their different neuropsychological properties.
journal_name
Neuropsychologiajournal_title
Neuropsychologiaauthors
Peters M,Murphy Kdoi
10.1016/0028-3932(92)90110-8subject
Has Abstractpub_date
1992-04-01 00:00:00pages
373-80issue
4eissn
0028-3932issn
1873-3514pii
0028-3932(92)90110-8journal_volume
30pub_type
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