Psyc 111 1st Edition Lecture 13Outline of Last Lecture I. Exam 1 Outline of Current Lecture I. SexualityCurrent Lecture1. Biologya. Men and women are biologically differentb. Sexual dimorphism i. Sexes of the same species differ in genetic or physical makeup2. Sexual dimorphism in Humansa. Babiesb. Why is this important??3. Evolutiona. Organisms have many and varied offspringb. Offspring compete for survivalc. Biological and behavioral variations selectivity increases chances of survival and reproductiond. Natural selectioni. Offspring that survive more likely to pass genes to the next generationii. Over time, population characteristics changee. Sexual selectioni. Natural selection on one sex of a species due to selection pressures from the other sexf. Evolutionary Psychologyi. Studies evolution of cognition and behavior using principles of natural selectionii. What does each gender wants in a romantic partner?1. Men tend to seek younger, faithful partners2. Women tend to seek older partners with more resources. 4. Sexual orientationa. 1948- Kinsey Studyi. One major revelationThese 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.1. Sexual orientation is continuous variable2. Categories do not adequately describe 3. One can be predominantly heterosexual and somewhat homosexual and vice versab. Development of sexual orientationi. Assuming you are straight..1. When did you first realize you were straightii. All orientations1. What is the earliest age you recall placing the label of your currentsexual orientation on yourself?iii. When do we label ourselves?c. Gender differencesi. Females:1. More “plastic” in their sexualitya. Rates predictable by environment and experienceb. Attending college2. Does not mean more “changeable”3. Does not mean environment and experience cause rates to increase.ii. Males:1. Male homo predicted better by biological factorsa. Number of homo relatives in mother’s lineb. Number of older brothers male has2. Behavior change?a. Not likely to change by any meaningful degreeb. When considering
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