Looking at the pros and cons for each of the standard decision making types, which would be the most effective overall method?

I'd say both! Because wether or not the decisions good or not, both of'em are going to have hard impacts. For example: When someone makes a good decision, like helping someone who needs to get their life on a right path or dealing with some hard or addictive habits can leave such tremendous impacts. Even when the decision to making the wrong choices become a harsh impact as well!

I hope this helped!

The most effective method would be "Decision based on conscious beliefs".

Explanation:

The most effective method would be "Decision based on conscious beliefs". In this type of decision, we can say that we have already advanced a level, since in this case deliberations are done in a conscious, that is, rational. Here the reflection guides the decision of the individual and not an unconscious behavior, giving space for the analysis of the situation and subsequent decision. For this, the individual uses his past experiences, his expertise to understand what should be done now and try to understand how this will reflect in the future, making his vision systemic.

its c because its his point of view