Ch11_ppt_-_Motivation_and_Emotion

Novapdfcom 11302009 determinants of sexual

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Unformatted text preview: – Some view it as a single dimension: Exclusively Either Some single Exclusively (hetero/homo) vs. Equally Both (bi) vs. – Others view it in terms of 3 dimensions: Self-identity, Others dimensions identity, Sexual Sexual attraction, & Actual sexual behavior – 2-3% Americans identify themselves as homosexual or 3% bisexual bisexual – Higher percent report same-sex attraction & at least one sex same same-sex sexual experience 16 Create PDF files without this message by purchasing novaPDF printer (http://www.novapdf.com) 11/30/2009 Determinants of Sexual Orientation Early theories: – Differences in levels of sex hormones – Weak ineffectual dad & domineering mom – Sexually seduced by adult homosexual Scientifically invalid invalid Felt different as children & engaged in genderReplication nonconforming behaviors (e.g. tom-boys) Replication is inconsistent inconsistent Anatomical Anatomical brain differences & genetic marker Evidence Heredity: High concordance rates in twins De...
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