Psychology/Human Applied Factors/Cognition

Part one:Why are the topics of human cognition and decision making particularly important to the work of Human Factors Engineers/Psychologists?Part two:Imagine that it is a hot summer day and it is your day to drive your five month old infant and three year old toddler to pre-school. Thoroughly trace every step of your own process of cognition, awareness and decision making actions in the course of preparing to deliver the children safely.