MeSH definition : The branch of psychology concerned with similarities or differences in the behavior
of different animal species or of different races or peoples.;
MeSH annotation : SPEC: IM, SPEC qualif; NIM coord, no qualif; do not check COMPARATIVE STUDY for as
a field it is not a substitute for a comparison of two or more psychol concepts (
COMPARATIVE STUDY tag): Manual 18.13.4; DF: PSYCHOL COMPARATIVE; specialty;used also as NIM coordinate; do not check COMPARATIVE STUDY as a field,
it is not a substitute for a comparison of two or more psychological concepts (
COMPARATIVE STUDY);
Wikipedia link : https://en.wikipedia.org/wiki/Comparative psychology;