PH717 Module 9 - Correlation and Regression
Evaluating Association Between Two Continuous Variables
Contents
Page 1
Introduction
Learning Objectives
Page 2
A Study of the Effects of TV Viewing
Page 3
Tools for Evaluating Linear Relationships Between Continuous Variables
Page 4
The Correlation Coefficient (r)
Calculation of the Correlation Coefficient
Describing Correlation Coefficients
Beware of Non-Linear Relationships
Beware of Outliers
Page 5
Statistical Significance of a Correlation Coefficient
Correlational Analysis Using R
Page 6
A Correlation Matrix
Page 7
Simple Linear Regression
Page 8
Interpreting the Y-Intercept and the Slope
Page 9
Association between Child TV Viewing and Adult Health
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