PSYC 101 1st Edition Lecture 23 Outline of Last Lecture II. Achievement MotivationA. IntrinsicB. ExtrinsicIII. Sexual Motivationa. Hormonesb. Human Sexual Behaviorc. Attitudes: Men vs. Women IV. Evolutionary Psychology V. David BussVI. Reproductive InvestmentOutline of Current Lecture VII. Women’s Strategy VIII.Men’s Strategy IX. Homosexual Mate Preferences X. Casual Sex a. Physiological Cuesb. Casual Sex Preferences Current Lecture: Evolutionary Psychology ContinuedI. Women’s Strategy – Quality a. Economic capacity – present or futureb. Social Status c. Age – older than the female II. Men’s Strategy – Quantity a. Youthb. Physical Beauty i. Body Shape: waist to hip ratio; .70 most attractiveii. Symmetry: face c. Healthy III. Homosexual Mate Preferencesa. Men place greater emphasis on youth and physical appearance b. Lesbians do not rank beauty as importantThese notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.c. In want ads lesbians list own beauty the least, heterosexual females list it the most IV. Casual Sexa. Physiological Cuesi. Human males have a relatively large testicle size to body weight ratio – this normally correlates with promiscuity of the species 1. Gorilla: .0182. Orangutan: .0483. Chimp: .2694. Human: .079ii. The longer couples are separated the more sperm per ejaculation that areproduced by the man 1. 100% time together: 389 million sperm/ejaculation 2. 5% time together: 712 million sperm/ejaculation iii. Lack of female orgasm leads to more ejection of sperm – 30% vs. 35% iv. In a British study, married women timed extramarital copulations with ovulationv. Men desire more sex partners in any given time interval and over the span of their lives vi. Coolidge Effect: males become sexually rearoused upon presentation of a novel female vii. Men pursue and have more affairs than women – 50% vs. 26% viii. Men have more sexual fantasies and those fantasies are more likely to involve sex with strangers, multiple partners, or anonymous partners ix. Women are more likely to fantasize about familiar partners – 59% vs. 28%b. Casual Sex Standardsi. Males – standards for most attributes considered important for long term mating including attractiveness and age decreaseii. Females – standards stay more consistent except these are more important for short-term mating1. Spends a lot of money on them2. Gives them gifts3. Haves an extravagant lifestyle4. Is generous with
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