If the details of the product or problem are not practically important and the decision doesn’t matter that much then base your choice on rationality.
“Novel problems also require reason.” (pg234,p4,l1) “If the problem really is unprecedented” (pg235,p2,l1) and you have not experienced it before “then your emotions cant save you”(pg235,p2,l2), you must use rationality and executive control to tackle the dilemma.
“Embrace uncertainty.” (pg235,p4,l1) Overconfidence can result in neglecting the evidence that contradicts your conclusion (pg235,p4,l6). To avoid this mistake, you must “always entertain competing hypotheses” (pg236,p2,l2) and “continually remind yourself of what you don’t know” (pg236,p3,l1).
“You know more than you know.” (pg236,p4,l1) Emotions have a logic all of their own (pg237,p1,l5). They have the ability to translate mistakes into educational events, accumulating wisdom through error