Survey research and design in psychology/Lectures/Multiple linear regression II

Lecture 8: Multiple linear regression II

Resource type: this resource contains a lecture or lecture notes.

This is the eighth lecture for the Survey research and design in psychology unit of study.

Outline

Summarises multiple linear regression and explains some advanced uses, including:

• semi-partial correlations
• analysis of residuals
• interactions
• analysis of change

Prerequisite

1. Multiple linear regression I lecture

Readings

As per MLR I lecture, plus:

1. Howitt and Cramer (2014a):
   1. Chapter 30: Partial correlation: Spurious correlation, third or confounding variables, suppressor variables (pp. 411-422)
   2. Chapter 39: The influence of moderator variables on relationships between two variables (pp. 540-561)

Handouts

• Lecture slides (Google Slides)
• 2018 handouts:
  • Download 6 slides to a page:
  • Download 3 slides to a page:

See also

• Multiple linear regression I (Previous lecture)
• Power & effect sizes (Next lecture)
• Multiple linear regression (Tutorial)
• Multiple linear regression

External links

• Semipartial (part) and partial correlation (nd.edu)
• Moderator analysis with continuous predictor quiz (Practice) (Howitt & Cramer, 2014)