First, that it is possible to investigate the human female's sexual behaviour, i.e., her behaviour up to and not beyond the attainment of the orgasm, or, the stage in her reproductive cycle when the first climax may be reached (the fact that it is not always reached is irrelevant here) — as if it could be studied, as the male's can, independently of and uninfluenced by the reproductive sequelae peculiar to her full cycle; and
Secondly, that the 5940 females constituting the material on which the findings of the treatise are based, constituted a sufficiently standard group to warrant the author's designating these findings as presenting a picture of the "Human Female" and her Sexual Behaviour.