Sexual Behavior in the 1970s

accumulative incidence active incidence adult age groups American anal intercourse attitudes cohort coital coital experience comparable coprophilia cunnilingus deviant divorced emotional extramarital behavior extramarital coitus extramarital experience fantasies feel fellatio felt figures Ford and Beach foreplay girl group sex heterosexual homosexual experience human husband incestuous increase interviews Kinsey Kinsey reported Kinsey's data Kinsey's sample least less majority males and females marital coitus marital sex marriage married females married males married women Masters and Johnson masturbation nearly never noncollege older half orgasm regularity partners Paul Gebhard percent percentages permissiveness persons petting population postmarital premarital coitus premarital intercourse prostitutes Reiss relationship reported respondents sadomasochistic sensuous sex education Sex Research sexual acts sexual behavior sexual liberation single females single males social society sometimes survey survey sample swingers Table techniques thing tion turbation wife wives woman York young younger half