Entrapment occurs when decision-makers feel they must stay with thier
original decision.what are the phases in the escalation of commitment
process?how would people make decision based on purely rational
factors?how do we use heuristics in decision-making?how can we
overcome escalations of commitment?

Hi,  you sure are asking a lot of questions there!  :) 

Here is a web site that will hlp:

http://www.ozmioz.com/decisionScience/decisionScience.htm
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