Reliability statistics, reliability, and validity
Channel: Mikko Rönkkö
Date: 2019-08-10

The video presents the relationship between reliability and validity when evaluating measurement scales. It highlights the potential issues that arise when relying on advice given by statistical software and how reliability statistics can lead to a positive bias by eliminating information indicating lower reliability. Additionally, the video shows the need for distinct and non-repetitive items when developing scales to ensure they are parallel and measure the intended construct accurately.