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Lecture 1 - Chap 1 S10

# Lecture 1 - Chap 1 S10 - Introduction to Statistics...

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Click to edit Master subtitle style Research Methods Review Chapter 1

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Knowledge of basic terminology and notation of statistical analysis Statistical terms Learning Objectives
Facts and figures for summarizing large amounts of information Mathematical procedures used for What are statistics?

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Scales of Measurement Correlational vs. Experimental Methods Statistical Notation Today’s Topics
A variable is a characteristic or condition that can change or take on different values. l Examples: Weight, Income, Gender, Reaction Time, Speaker Credibility Values of variables are the specific instances that vary within the characteristic or condition. l Examples: Male & Female are values of the Variables

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Discrete variables (discontinuous) are separate indivisible categories with no intermediate values be categories Example: CLASS SIZE, CHILDREN IN A FAMILY Dichotomous (GENDER; PERFORMANCE (high, low) Polytomous (EMOTION) Types of Variables
Constructs are internal attributes or characteristics that cannot be directly observed but are useful for

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Lecture 1 - Chap 1 S10 - Introduction to Statistics...

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