![what is the difference between reliability and validity what is the difference between reliability and validity](https://image.slidesharecdn.com/reliabilityandvalidity-100809083558-phpapp02/95/reliability-and-validity-5-728.jpg)
This however, wouldn’t be an issue if the target task was something less risky. The first reason why this isn’t practical is that if a student messes up, the business could really suffer. If you are testing an English as a second language learner and their ability to provide customer service in English while working in a hotel, the ideal way to test and see if a learner can actually do that task is to actually have the learner go to a hotel and work with customers however, this isn’t very practical. In an ideal world all assessments would be identical to what the target task is. PracticalityĮvery good assessment has to be practical.
![what is the difference between reliability and validity what is the difference between reliability and validity](https://pic.weblogographic.com/img/education/401/difference-between-validity-and-reliability.jpg)
![what is the difference between reliability and validity what is the difference between reliability and validity](https://i.ytimg.com/vi/L-ofOlsuI4U/maxresdefault.jpg)
In this article I’m going to go over what each of these are and why they are important for assessments. What makes up a good assessment? Any good assessment will be practical, reliable, and valid.