Question: Is that "construct" or "conduct?"
Essentially, what we believe the world to be — developed through personal constructs — determines our behavior.
I searched Google under the key words "personal construct" to get these possible sources:
In the future, you can find the information you desire more quickly, if you use appropriate key words to do your own search. Also see http://hanlib.sou.edu/searchtools/.
I hope this helps. Thanks for asking.