Click on the following links. Please note these will open in a new window.

Video link: Validity vs. Reliability
Learning Objective: LO 5-1:  What are the differences between validity and reliability?  How can data be collected to ensure reliability and validity?
Description:  This brief video visually depicts the differences between reliability and validity.

Questions to consider:

1. Define reliability.

2. Define validity.

Video link: Understanding Measurement Validity
Learning Objective: LO 5-1:  What are the differences between validity and reliability?  How can data be collected to ensure reliability and validity?
Description:  This video highlights the importance of validity in assessment instruments.

Questions to consider:

1. Many of the things we measure in educational research are constructs.  How does the presenter in this video explain a construct and how does she recommend you proceed in measurement?
2. Briefly explain the different types of validity presented.
    

Video link: Reliability
Learning Objective: LO 5-1:  What are the differences between validity and reliability?  How can data be collected to ensure reliability and validity?
Description:  This video describes the concept of reliability in research measurement design.

Questions to consider:

1. Define reliability according to the presenter.
2. Briefly explain the different types of reliability presented.
    

Web link: Data Collection Methods  
Learning Objective: LO 5-2:  How are data collection methods categorized?
Description:  This site contains a brief overview of a variety of data collection methods for research.

Questions to consider:

1. What are some of the quantitative data collection strategies mentioned?
2. What are some of the qualitative data collection strategies mentioned?