Describe the Different Types of Evidence Used in Evolutionary Psychology and Explain Why Evolutionary Psychology Needs to Use a Multi-Method Approach. Essay

1508 WordsFeb 23, 20157 Pages
Describe the different types of evidence used in evolutionary psychology and explain why evolutionary psychology needs to use a multi-method approach. The main types of evidence used to inform evolutionary psychology can be classed as external and internal. External evidence mainly consists of observation, measurement and analysis of how humans behave, to produce quantitative data. Whereas Internal evidence comprises reports by humans on there own behaviour, feelings and histories, to produce qualitative data. There can be some overlap between the two for example, conducting experiments on peoples behaviour in certain scenarios, recording their reactions but also offering them their feelings in each scenario. External data can also be obtained from fossils and archaeological remains, (Fossil evidence includes fossil bones which provide information on the anatomy of early humans, including the size of their brains, their type of locomotion, (whether they walked on two or four legs), and the difference in the sizes of the males and females.) (Mapping Psychology Dorothy Miell, Ann Phonix, Kerry Thomas. Pg. 108) And from the study of the few remaining pre- historic cultures, to identify the similarities and differences between human behaviour over a period of time. The study of genetics in particular DNA, provides evidence of the transmission of genes through generational and of any genetic mutations and there time scale. There is both cultural and historical evidence relating to natural and sexual selection covering strategies over a choice of mate & skills in raising & motivating offspring, Family size, the structure of extended family, and longevity. Data from the past can be deprived from pre-historic art and tool making and from skeletons depicting body size, brain size and prominent characteristics. The study of similarities and differences of

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