The purpose of this independent study to study the demographic factors that affect the buying decision of Reebok products in Bangkok and to study marketing communication channels that affect to the buying decision of Reebok products in Bangkok. This research is quantitative research using survey and questionnaire as a tool to collect data from the 400 samples in Bangkok. The result of this research found that the majority of them were single female consumers were in the age range between 21-25 years old and hold bachelor’s degree or equivalent working at a private company and earning the personal income between 10000 – 20000 baht. While the marketing communication channels found that the most important factor was Personal selling followed by Sales promotion and Public Relations. Moreover in decision making the marketing communications channel had influenced consumer buying decisions in Bangkok. The statistically significant level at .05 was the Public Relations factor Sales promotion factors Personal selling factors staff and Direct marketing factors. While advertising factors do not affect consumers decision to buy Reebok products.

The objectives of the study were : 1) to study the character of Generation y effecting to buying decision at convenience stores. 2) to study the communication channels effecting to buying decision at convenience stores. The sample group was 500 graduation single females age between 25-29 years old working in private companies monthly income between 30000 – 40000 baht. The instruments used in the study were 1) the questionnaire and 2) the multiple regression analysis. The frequency percentage and mean were the parameters used for statistical analysis. The result of the study were 1) the most frequent buying store was 7-11 2) the most frequent communication channel was LINE application 3) the most frequent connecting tools were smartphone and tablet and 4) the most frequent payment channel was convenience stores. The finding of Generation Y population’s character analysis showed that occupations the convenience stores’ brand and connecting tools had effected to buying decision at the convenience stores and it is statistically significant at .05 level. For the marketing communication channels analysis showed that Advertising Sales Promotion Public Relations and Publicity Online and Social media Marketing Mobile Marketing Direct and Database Marketing and Personal selling were effected to buying decision at convenience stores.

The purpose of this research is to study demographic characteristics towards buying decision on cosmetic product of consumers in Bangkok. The Research also involves in studying behavior of consumers to purchase the cosmetic product via beauty blogger. The methodology through questionnaire is a primary and qualitative research methodology through in-depth interview is supportive. The data is collected from 400 samples whose age are more than 18 years old and 9 key informants from 5 areas. The research found that the demographic majority of respondents are female aged between 18-30 years old Bachelor’s degree and single. Their monthly income are less than 10000 baht. The evaluation of alternative selection post-evaluation problem recognition and information gathering mostly affect the buying decision respectively. The research also reveals that occupation affects the buying decisions especially business owners because of either their higher income of their beauty concern.

The purposed of this research “Trend and marketing mix factors affect toward purchasing behaviors of working women in Bangkok” was to study (1) the relation between personal factors of working women in Bangkok and the marketing mix factors of Korean cosmeceuticals (2) the trend of using the Korean cosmeceuticals of working women in Bangkok. The samples of this study were 400 working women in Bangkok. The questionnaires were implemented as the tool for data collection. The statistics methods were used for analyzing data; Percentage Mean Standard Deviation and Chi-Square. The results were found that: The results were showed that most of respondents had range of age between 20 to 30 years old hold Bachelor degree single and lived with the parents. Their monthly income were 15001-20000 bath and work with the private companies. They have bought face care cosmeceuticals and the reason of buying is products’ quality. Innisfree is the most popular cosmeceuticals brand. The price which they spent each time are not more than 1000 baht. The places where they buy the products is health & beauty shops such as Boots Watsons Matsumoto First Drug and EVEANDBOY. The purchasing frequency is once a month. They decided to buy the products by themselves and the information about Korean Cosmeceuticals come from the Internet. This research was found that the respondents are continually going to buy Korean Cosmeceuticals. They will interest to buy whitening product for next purchase. The hypothesis testing results showed that (1) monthly income age and education have mostly related to purchasing behavior of Korean Cosmeceuticals (2) monthly income has mostly related to the marketing mix factors. (3) product place and marketing communication have mostly effected to purchasing behavior

สรุป การศึกษาอิทธิพลของส่วนผสมทางการตลาดที่มีต่อการตัดสินใจซื้อแบตเตอรี่มอเตอร์ไซด์ทดแทนของผู้ขับขี่ในกรุงเทพฯ โดยสาระและความแตกต่างที่แท้จริงก็อิทธิพลของส่วนผสมทางการตลาด เช่น ราคา ที่จัดจำหน่ายผู้ขายแบตเตอรี่ หรือ ร้านติดตั้งแบตเตอรี่ สินค้าที่ไม่มีความแตกต่างจากที่ติดมาตอนซื้อ การส่งเสริมการตลาด โดยการการตรวจสอบจากลูกค้า มุมมองว่าส่วนประสมทางการตลาด (4Ps) มีความสัมพันธ์กับผู้บริโภคในกรุงเทพฯ ตั้งใจที่จะซื้อแบตเตอรี่รถจักรยายยนต์หาปัจจัยในการผสมตลาดที่มีอิทธิพลความตั้งใจของผู้บริโภคในกรุงเทพฯที่จะซื้อแบตเตอรี่รถจักรยานยนต์ พร้อมการตรวจสอบคุณลักษณะของส่วนประสมทางการตลาดที่มีต่อความตั้งใจของผู้บริโภคที่จะซื้อเป็นสิ่งสำคัญที่สุดเมื่อจำแนกตามผลิตภัณฑ์ราคาสถานที่และโปรโมชั่นและผู้ขับขี่มอเตอร์ไซด์ในกรุงเทพฯที่ตัดสินใจซื้อแบตเตอรี่มอเตอร์ไซด์ทดแทน ดังนั้นการศึกษาอิทธิพลของส่วนผสมทางการตลาดที่มีต่อการตัดสินในซื้อแบตเตอรี่มอเตอร์ไซด์ทดแทนของผู้ขับขี่ในกรุงเทพฯ ในโลกที่มีการติดต่อสัมพันธ์ด้านต่างๆ อย่างรวดเร็วจะต้องมีการ การศึกษาอิทธิพลของส่วนผสมทางการตลาดที่มีต่อการตัดสินใจซื้อแบตเตอรี่มอเตอร์ไซด์ทดแทนเพื่อเป็นปนะโยชน์ต่อผู้ประกอบการและผู้ที่มีความสนใจในการประกอบการธุรกิจแบตเตอรี่มอเตอร์ไซด์ทดแทนในตลาดพื้นที่กรุงเทพฯ