Getting you head around the different types of validity. I did not understand all of these definitions until I was well into my teaching career, so I feel all your pain! Remember that you need to have an accurate measure to achieve accurate results, then you achieve validity :) #validity #psychology #psychologyteacher #psychologyrevision #aqapsychology #aqa #fyp #researchmethods #research

Is my UK passport valid? Here's how to check!