PSY311H5 Study Guide - Repeated Measures Design, Ethology, Behaviorism
Document Summary
Historical perspective evolutionary development of the field three periods of social dev research: emergence (1870s -1900s): baby biographies (darwin, hall) same questions as today but different methods, middle period (1900s 1960s) Descriptive methods are always popular as a result of: urgent and applied need for descriptive info about age changes influence of ethology (description, classification, and analysis of animal behaviour) electronic recording which permits observation and anaylsis of complex behaviour. Behavioural categories are identified in advance and then the observer records the frequency of occurrence within each time interval. Three aspects of evolutionary theory must be emphasized: evolution concepts apply as much to behaviour as to structural characteristics. 2. the adaptation of a species is always to a particular kind of env (ecological niche: a rigid distinction btwn what is innate and what is acquired is meaningless in this account. In fact mz twins are more likely to share the same env than dz twins.
