PSY 111 Lecture Notes - Lecture 25: Eye Contact, Psy, Motor Coordination
Document Summary
Ethnic group difference various differences in iq found across different races. May be attributed to various causes, including nature vs. nurture argument. Sex differences men and women differ in abilities to perform different kinds of intellectual tasks. Men perform better on spatial tasks, target-directed skills, and mathematical reasoning. Women perform better on tests of perceptual speed, verbal fluency, mathematical calculation, and precise manual tasks requiring fine motor coordination. Beliefs and expectations can affect how we respond to certain people. Cognitively disabled: vast majority of retarded are mildly disabled, with iq around 50-70, 25% of disabled have biological cause. Intellectually gifted: iq of 120 or above, often show giftedness in one area. Smiles: social lubricants, not an indication of happiness: zygomatic smile: a real smile that utilizes the upper part of the face, fake smile: conceals irritation, not genuine. Desmond morris specialized in communication and body language, concluded that fear evolved into smiling.
