Module 3 Responses-Sara Becker

I responded to:
Roxanne: http://learningtheoryedtechrwright.blogspot.com/2011/07/collaboration-module-3.html?showComment=1310872980714#c127165936554780011

and

Alexandra: http://edutechtalk.blogspot.com/2011/07/constructivism-at-work.html?showComment=1310873358388#c7008065114320170228