The objective of this research was to study the behavior of consumers who purchased smartphones in Thailand by using the consumer style inventory (CSI) which consists of the following eight categories: (1) brand consciousness, (2) quality consciousness, (3) price-value consciousness, (4) recreational shopping consciousness, (5) impulse shopping, (6) confusion by over choice offered, (7) brand loyalty (8) fashion consciousness (Sproles and Kendall, 1986). In this study, the original consumer style inventory was modified and two factors such as social group influence and corporate social responsibility were added.
A sample of 380 undergraduate students from Uttaradit Rajabhat University students were employed, using a convenience sampling technique.
The results demonstrate that the following seven factors were accountable for the smartphone purchasing decision style of young Thai consumers: (1) recreational shopping consciousness (2) brand and quality consciousness (3) impulse shopping (4) social group influence (5) price-value consciousness (6) corporate social responsibility, and (7) brand loyalty. These findings can be useful for marketers seeking an effective consumer targeting method and an understanding of consumer
behavior in purchasing smartphones. The findings showed that quality consciousness factor was the most important factor for the undergraduate students at Uttaradit Rajabhat University to buy smartphones.