Develop substantive peer responses which means extend the discussion or add

Develop substantive peer responses which means extend the discussion or add to the points made. Writing something like “That was a great response, Jane. I appreciate the way you presented the information. I now have a better understanding of the content” is not substantive. While this response has a few sentences to it, this is basically an extended version of “good job”. A more appropriate response would be “Thank you for this contribution to our discussion, Jane. Your points about research topics are valid