PSY201H1 Chapter Notes - Chapter 1: Data Set, Descriptive Statistics, Statistical Parameter

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18 Jul 2020
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Statistics - a set of mathematical procedures for organizing, summarizing, and interpreting information. Help to ensure that the information or observations are presented and interpreted in an accurate and informative way. Provides researchers with a set of standardized techniques that are recognized and understood throughout the scientific community. Research in the behavioral sciences typically begins with a general question about a scientific group of individuals. Population - consists of all possible members of the group a researcher wishes to study. Set of all the individuals of interest in a particular study. Can vary in size depending on how the investigator identifies the population to be studied. Doesn t need to consist of people - rats. Because populations tend to be very large, it usually is impossible for a researcher to examine every individual in the population of interest. Researchers typically select a smaller, more manageable group from the population and limit their studies to the individuals in the selected group.

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