Introduction to Module 4

Introduction to Module 4

Module 4 is about the experimental research strategy and experimental designs, and covers three chapters in your textbook.

The first, chapter 7, is about experimental research generally.

Chapters 8 and 9 are each dedicated to a specific experimental research design, with chapter 8 covering between subject designs and chapter 9 covering within-subject designs.

Assignments

There are three assignments for module 3

A quiz

A discussion on the pros and cons of within Vs. between subject designs

A lab on elements of an experiment and dealing with extraneous variables

Module 4 Learning Objectives:

At the end of module 4 you should be able to:

• Identify the major goal of the experimental strategy and the elements of an experiment
• Evaluate designs with regard to the presence of extraneous variables
• Modify designs to improve internal and external validity
• Identify the basic elements of and pros and cons of between subject designs
• Identify the basic elements of and pros and cons of within subject designs
• Transform a within subject design into a between subject design (or vice versa)