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Note on the Assumptions Underlying Holzinger's h2 Statistic

Published online by Cambridge University Press:  08 February 2018

Joan May*
Affiliation:
Psychology Department, Institute of Psychiatry, Maudsley Hospital

Extract

Holzinger set up his equations to show the combination of the factors—nature (A), nurture (B), and error(E)—which go to make up a score obtained by a particular twin on a particular test. If iX1 and iX2 are the twins in an identical pair and fX1 and fX2 are the twins in a fraternal pair then: —

Type
Part I.—Original Articles
Copyright
Copyright © Royal College of Psychiatrists, 1951 

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