PSY 1 Chapter Notes - Chapter 5: Biculturalism, Prenatal Hormones And Sexual Orientation, Acculturation
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A cross-sectional study compares groups of individuals of different ages at the same time. A longitudinal study follows a single group of individuals as they develop. Selective attrition is the tendency for certain kinds of people to drop out of a study for many reasons, including health, moving far away, or loss of interest. In a sequential design, a researcher starts with people of different ages and studies them again at later times. A cohort is a group of people born at a particular time or a group of people who enter an organization at a particular time. As far as an infant can tell, the world is a buzzing confusion, full of meaningless sights and sounds. It takes years for infants to develop the ability to recognize faces. Older children and adults are better able to recognize faces of their own ethnic group, or at least ethnic groups familiar to them, than those they see less often.
