PSYC 201W Chapter Notes - Chapter 10: Demand Characteristics, Quantitative Psychology, Internal Validity
15 Jul 2014
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Inference in tyron"s selective breeding project: robert tyron conducted a famous decade long selective breeding project in 1927, his goal was to demonstrate experimentally that individual differences in psychological qualities such as learning ability had a hereditary basis, this research helped to establish a new field of study, initially called psychogentics and subsequently named behavior genetics, he concluded that his bright and dull rats differed in cognitive ability as a function of their experimentally controlled hereditary. Statistical conclusion validity: statistical conclusion validity = concerns the proper statistical treatment of data, the key question: when the researchers concluded that there was or was not a and the soundness of the researchers" statistical conclusions statistically significant relation between the independent and dependent variables, was this conclusion bases on appropriate statistical analyses, scientists rely on their experience and knowledge of accepted practices in their field to guide their approach to statistical analysis, and they many consult with experts statisticians.
