Answer:
Thinkers
Step-by-step explanation:
VALS stands for "Value and Lifestyles" is mainly used in psychographic segmentation. There are eight distinct mindsets or specific set of psychological traits that defines an individuals personality.
These eight sets are
Believers
Makers
Thinkers
Experiencers
Innovators
Strivers
Achievers
Survivors
David is believed to be best suited in the "Thinkers" VALS segment because David take every step in his life very carefully examining and thinking over every thing. He is very much content with his life.
Thus the answer is "Thinkers".