LECTURE 8 PSYCH 3F03
Lecture 20 Nice Guys Vs. Sexy Guys
March 3, 2014
− Women calorie consumption > production
Qualities of sex guys
− Physically attractive
− Strong, muscular
− Not necessarily investing
− Not necessarily sexually faithful
Why mate with cads?
− During ovulatory part of the cycle, women prefer genetic benefits > investing
What are the evolutionary consequences of women’s dual needs for genes and investment?
− Selfdeception about mate choice?
− Male coalitions?
o Not all men are equally attractive to women – males can compete with high quality males through coalitions
− Selection for cads?
What do women want?
− “The gentle, compassionate man who reads magazine surveys indicating that his qualities are the very ones that most women prefer in a mate may
be the same man who is repeatedly turned down by women who seek the company of more atavistic males… Women go for heroes while saying
they want vulnerability and later try to persuade their partners to become more sensitive an vulnerable, rather than initially pursuing sensitive and
− Recall: women will be with a male who invests, but when fertile want good genes
− Males who are not as attractive may be under selection for “niceness’ to be more attractive to women
Durante et al (2012)
− In first experiment, researchers asked about the rationales women have for dating “sexy cads”
− Descriptions of reliable guys (average looking) and fun/sexy guys (attractive)
− Women might be selfdeceptive when fertile
− Expected parental investment
o Not Ovulating – reliable nice guy expected to invest most
o Ovulating – sexy cad expected to invest more
o Why shift in perception?
Experiment 2: Effects are specific to women’s beliefs about themselves
− Expectations of women about sexy cad – how they will treat themselves vs. how they will treat another woman
− Sexy cad will invest in self (woman), but not in another woman
− Erroneous belief during ovulation?
1 LECTURE 8 PSYCH 3F03
− Fast vs. slow life history
“Make hay while the sun shines”
Greater emphasis on genetic benefits
Greater emphasis on paternal investment – benefits of investment require time
− Sometimes people in certain situations find it more advantageous to have a slower life history strategy, some have fast
o Extrinsic mortality – death due to things like criminal activity, war etc; in a high mortality environment ▯fast life history
o Peace, stability etc ▯may be more advantageous for slow life history strategy and place more investment in parental investment
− Earlier age of menarche – fast life history
o Expectation of investment from sexy cads increases when ovulating
− Later age of menarche – capable of reproducing later in life; slow life history
o More correct perception regarding sexy cads
o Opposite perception of sexy cads during ovulation
Sexy guys don’t always finish first
− Yeroen, first alpha male
o Supported by females
− Luit, strongest male
o Luit does not have female support – cannot overthrow Yeroen on his own
o Overthrows Yeroen with help of Nikkie (who only intervenes with the females)
o Luit and Nikkie compete with each other for Yeroen
− Nikkie rises to power with help of Yeroen
− Period of instability
o YeroenNikkie, NikkieLuit alliances tried out
− Luit dies in 1981
o Severe wounds
o May have been Yeroen
− Malecoalitions can be deadly; can upset dominance hierarchy
Are all sexy guys “cads”?
− #1 in US Tennis
o 1958 (singles, doubles)
o 18 year old and under
− Graduate Magna cum Laude
2 LECTURE 8 PSYCH 3F03
o University of Iowa (1959)
o Rhodes, Scholar runnerup
− Professor of Law, University of Arizona
o Tax law review article cited by US Supreme Court
− Rosenstiel Distinguished Professor of Law in 1998
− Arthur W. Andres Distinguished Mentor and Teacher Award created in 1003
− Arthur W. Andrews Professor of Law created in 2004
− Inducted into the University of Iowa Hall of Fame 2005
− Dr. Andrews father is sexy and investing!
− Can have good quality genes and be good fathers
− 30 young women raped and murdered
− Women flocked to him
Lecture 21 – Psychopathy
March 6, 2014
− Mostly male
o Glib and charming
o Lack of empathy
Not that they don’t understand how others think or feel ▯psychopaths don’t care how others feel
− Prevalence is estimated to be less than 1% in general population
− 11% of psychiatric population
− 23% of prison population
− Coercive and early sexuality
o Sex with adult (<15 years old)
o Earlier age at first intercourse
o More sex partners before age 15
o Sexual offenses (<18 years old)
o Forced someone into sex (<15 years old)
− If it is a disorder, what is it a disorder of?
o Disorder – malfunction of an evolved adaptation ▯what adaptation is malfunctioning?
Are psychopaths more likely to have developmental problems?
− If a true disorder, would have developmental problems
− Lalumiere et al (2001)