Jenna

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__Face proportions__ Plato's "golden proportions" of ideal face: width is 2/3 length, nose no longr than distance between eyes Symmetry scientifically proven to be appealing to human eye; not proportions, but rather similarity between left and right sides of face Test: babies spend more time staring at pictures of symmetric individuals than asymmetric ones Also seen in other animals--more mating with symmetric individuals Can't generalize too much because different cultures prefer different things. Western cultures prefer baby-like features, lke small jaw, small nose, large eyes, defined cheekbones--suggests that people with these features have more long-term potential as mates and increased level of reproductive fitness Females preference of males changes throughout the month--during menustration, they prefer softer features on males Both males and females prefer face in which forehead and jaw in vertical alignment

__Body proportions__ Men have preference for women with low waist-to-hip ratios (WHRs); research shows women with high WHR more likely to have health maladies, ie infertility and diabetes. HOWEVER, In southeast Peru, they prefer high WHRs. low WHRs=Western preference only?

__Internal beauty__ In experiment, 70% college students deemed instructer physically attractive when he acted friendly, but 30% when he acted "cold and distant"

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Evolutionary biologists propose that symmetry attractive because it's a signal of health and genetic quality. (Chromosome disorders Down syndrome and Trisomy 14 have high levels of **a**symmetry; emotional and psychiological health) But perfect symmetry unattractive because it's abnormal Directional asymmetry vs. fluctuating asymmetry--Directional okay, fluctuating caused by genetic stresses=unattractive (mate quality)