1- Go to the VIDEOS link. Think about your current progress in your action research process.2- Explain what specific portions of the video were helpful to you and how.3- Define the concept of “validity” as it applies to action research.4- Describe how the preservice teacher in chapter 4 case study addressed issues of validity in her action research study to improve student understanding and motivation of multiplication facts.5- How did Alyson Marland determine if her intervention was effective?6- Define reliability in your own words as it relates to action research.7- Describe how Alyson Marland’s action research study does or does not address issues of reliability.video link: https://youtu.be/ECjL3SEfniUThe assignment must be completed using chapter 5 and APA 7th edition is required.Use 4 pages for this work. Represent the quotes (author, year, and page).