Is there a physiological basis for sexual preference? Researchers measured the volumes of four cell groups in the interstitial nuclei of the anterior hypothalamus in postmortem tissue from 41 subjects at autopsy from seven metropolitan hospitals in New York and California.
A data frame with 41 observations on the following 2 variables.
volumes of INAH3 (1000 x mm^3) cell clusters from 41 humans
a factor with levels
||heterosexual male with AIDS death|
||heterosexual male with Non-AIDS death|
||homosexual male with AIDS death|
||heterosexual female with AIDS death|
||heterosexual female with Non-AIDS death|
Ramsey, F.L. and Schafer, D.W. (2002). The Statistical Sleuth: A Course in Methods of Data Analysis (2nd ed), Duxbury.
LeVay, S. (1991). A Difference in Hypothalamic Structure Between Heterosexual and Homosexual Men, Science 253(5023): 1034–1037.
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