Correlation And Prediction

Correlation

Types of Variables

Graphing: Scatter Plot

Patterns of Correlation

More Info on Correlation

Computing the Pearson Correlation Coefficient (r)

Degree of Correlation

Interpreting Correlations

Plots and Computations

Statistical Significance

Correlation Matrix from SPSS

Example

A suggestion...

Regression

Prediction

Terminology

Multiple Regression

Prediction with Z scores

Manager’s Stress example

Continued

More

Prediction with Raw Scores

Number supervised (X): M=7; SD=2.37; Stress (Y): M=6; SD =2.61 EXAMPLE: Someone Supervising 3 employees

Last Year’s Psych 201 class

This is what you see

Terms

This is what you would see

Stepwise Multiple Regression

Excluded Variables

What you need to know

More...

Chapter 3 Summary

Home Page: http://www.mtholyoke.edu/courses/bpackard/stats/