5-1: What are the differences between validity and reliability? How can data be collected to ensure reliability and validity?

5-2: How are data collection methods categorized?

5-3: What forms of qualitative data collection methods can be used within action research? What are the characteristics and considerations for using these methods?

5-4: What forms of quantitative data collection methods can be used within action research? What are the characteristics and considerations for using these methods?