validity-and-reliability.jpg

A picture with four targets demonstrating the meanings of validity and reliability. The first has a clump of marks in one area off-of-center and is labeled reliable but not valid. The second has marks all over the target and is labeled low validity and reliability. The third has scattered marks on the top half and is labeled not reliable nor valid. The final target has a clump of marks in the middle, and is labeled both reliable and valid.