Chapter 4

Introduction to Quantitative Research


How Do Others See Quantitative Research?

Here’s a website with an overview of quantitative research design and the benefits and limitations of quantitative research from The Prevention Communication Research Database (PCRD), a project of the Office of Disease Prevention and Health Promotion (ODPHP), Department of Health and Human Services (HHS). 


Deductive Reasoning

This website has a good review of deductive reasoning.  


Hypotheses and Research Questions

Confused about the difference among hypothesis, null hypothesis, and a research question? Check out this website.

Need Help in Writing Quantitative Research Questions?

This is a great site and will help move you step by step through the process.



This website provides an excellent overview of the differences between independent and dependent variables. 

Operationalizing Variables

Check out this website to understand how a researcher operationalizes constructs. This QMSS website explains why operationalizing constructs is both difficult and necessary.