This video by Educational Research provides a brief introduction on the differences in both research approaches, and how the selection of either approach is dictated by the research questions. Video bullet points outline the advantages of both methods.

This video discusses the differences in qualitative and quantitative research, providing examples for both methods. The session covers how data are collected using both approaches, and how it provides evidence to answer research questions.

This video by the Academy of Ideas explores the topic of epistemology, relating to table 3.2 in chapter 3 of the textbook.

This video introduces the process for performing a focus group, beginning with a discussion of why they are conducted, and the advantages and disadvantages of this approach.

http://wn.com/mixed-methods_research
This 2013 video interviews Professor John Creswell of the University of Nebraska-Lincoln on the topic of exploring the uses of mixed methods research.