When research indicated that Bluetooth's products were not reaching the correct target market, marketers of Bluetooth decided to change from demographic segmentation to psychographic segmentation. Which group of new segmentation variables will Bluetooth now be using?
a. Geographic location of customers
b. Age, sex, and socioeconomic characteristics
c. Social class variables
d. Personality characteristics, motives, and lifestyles
e. Family life cycle, social class, and religion
Answer: D