most students responded with a 5 and made comments such as:

• "Yes. It was very helpful to know if I was wrong and be able to work the problem through until I knew and understood how to get it right."
• "I understand the problems better when given the ability to correct them."
• "I think it’s a better way to learn."
• "I really like finding out right away and being able to rework a problem I got wrong."
• "I loved it. It helped me develop on my skills."
• "Significant increase in motivation [thus] giving students more confidence"
• "It definitely does. I think this is the strongest point of W.W."
• "It was helpful in learning from mistakes & seeing mistakes."
• "Very much so. I don't have to wait for lecture to see if I'm doing it right."
• "Yes. It makes you want to redo it; after finding an answer, you feel accomplished, immediate feedback makes sure you have accomplished something."