lecture1 - Psych 100A Fall 2009 Introduction to Statistics...

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Psych 100A Fall 2009 Introduction to tatistics Statistics Lecture 1
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Course Objectives Basic understanding of the statistics used often in psychological research ow to think analytically and critically How to think analytically and critically about research design, analysis methods and results Learn how to design and analyze a psychological / behavioral study
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Definition: Statistics Numerical properties of groups rather than individuals. ollection of methods that enables one Collection of methods that enables one to draw reasonable conclusions from data (Dunn, 1977).
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Two major branches of modern statistics escriptive eals with techniques for 1. Descriptive – deals with techniques for summarizing and presenting data and is aimed at clarity (common understanding). a m at c ar ty (common un rstan ng). 2. Inferential – deals with methods for ssessing uncertainties in inductive assessing uncertainties in inductive estimates and is aimed at drawing conclusions from data (inference).
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1. Population and parameters Population
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lecture1 - Psych 100A Fall 2009 Introduction to Statistics...

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