Lecture 1_terms and intro to stats

Lecture 1_terms and intro to stats - Welcome to Psychology...

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8/18/2010 1 Welcome to Psychology 227: An Introduction to Psychological Statistics 1 First Things First Course Requirements Course Objectives Course Syllabus Tests Assignments Attendance 2 Introductions Who Am I? Undergraduate degree in Psychology from UNC Master’s in Assessment Measurement & Statistics from JMU PhD in Quantitative Psychology from ASU 3
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8/18/2010 2 Introductions Who Are You? – Psychology Majors? – Other Majors? – Seniors? – Juniors? – Sophomores? – Athletes? – Musicians? 4 Why Should You Care About Statistics? • To understand the news • To understand interest rates • To understand different types of reports such as real estate market news, crime statistics, education reports, etc. In general, to be an informed consumer of the world around you! 5 What is Statistics? What is its role in Research? Statistics is a set of methods for organizing and understanding data. • The goal of virtually any study is to use data to describe relationships among variables--- statistics helps us describe those relationships • Using collected data, statistics allow us to “tell a story” about the results of a study 6
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8/18/2010 3 Typical Research Process • A typical research study involves a series of steps, one of which uses statistics: Step 1 Form research question and develop hypotheses Step 2 Choose and operationalize variables Step 3 Select the appropriate research design Step 4 Analyze the data Step 5 Support or refute hypotheses 7 Operationalizing Variables • Many variables of interest are abstract concepts that cannot be directly measured – How do you measure binge-drinking behavior? Self-efficacy? Body image? • Operationalizing variables involves
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This note was uploaded on 02/17/2011 for the course PYSC 227 taught by Professor Fairchild during the Spring '10 term at South Carolina.

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Lecture 1_terms and intro to stats - Welcome to Psychology...

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