The purposes of this research were : 1) to study the personal factors 2) to study marketing mix factors 3) to study consumptions behavior 4) to study the relationship between personal factors and consumption behavior and 5) to study the relationship between marketing mix factors and consumption behavior. The samples have been done with 400 consumers visited McDonald’s restaurant in Pathumwan District Bangkok. The instrument was used the statistical questionnaire and in data analysis tools were used frequency value percentage value mean value standard deviation value and Person Chi-Square. Statistical analysis calculated by computer program. The results of consumers in McDonald’s restaurants in Pathumwan District Bangkok shown that : 1) most of the consumers are females and younger than 20 years old with monthly average income less than 10000 baht and most of consumers are students and education levels is lower than Bachelor degree. 2) the marketing mix factors result of consumer in overall have satisfaction a high level and when considering each side found that samples group provide the highest level satisfaction is products and samples group there are 3 levels at the high level and sort by descending from the average is product pricing and promotion. 3) consumption behavior found that the type of foods were sold in the restaurant the consumers prefer to eat the most popular interval Burger which consumers using more than that time 15.00-20.00 hrs frequency of in-store service and the average of 1-2 per week a time popular select access inside a department store because the staff are willing to provide services like interior decorating styles and inside is clean and spacious the number of seats is sufficient. 4) the relationship between the personal factors and consumption behavior found that age average income per month and highest level of education are statistically significant at the .05 level and 5) the relationship between marketing mix factors and consumption behavior found that product price and promotion were relating but distribution channel was not relating with consumption behavior and the relationship between all was statistically significant at the .05 level.

The purposes of this research were : 1) To study the individual factors 2) To study the behavior on Thai dessert consumption 3) To study the relationship between individual factors and Thai dessert consumption in Samaut Songkhram Technical College The samples were 239 vocational certificate Students in Smaut Songkhram Technical College. The Instruments were questionnaire and a Test The statistics were the frequency percentage and the Chi-squared test. Results found that : 1) the students mostly were female studying in Accounting whose their parents’income not over 10000 baht per month have knowledge of Thai dessert at the good level. 2) The sample mostly consume boiled Thai dessert 1-3 times a week because of the delicious taste The each payment is up to 20-41 baht because the price was not expensive the preference Banana Leaves packaging and perception of news about Thai dessert through internet. 3) The result on studying factors found that the individual factors such as sex was most related to the preference. Educational level was related to the preference of packaging. Subject type was related to the favorite on Thai dessert. The preference in consuming Thai dessert in because of consumption the payment packaging and perception of news for the parents’income was related to the payment with statistically significant at 0.05 level.

The objective of this research was to determine and estimate the quality of ground water for producing village-tap water without pre-treatment in 3 districts Samchuk Nongyasai and Dermbangnangbuat districts Suphanburi province. Villagetap water was collected from 88 boreholes covered 17 sub-districts in June 2014 and January 2015 using standard method and then correctly preserved before analysis process. The result showed that pH conducted in filed using pH meter found in the range 7.0 to 9.2. Total hardness was found in the range of 110 to 590 mg/L as CaCO3. The concentration of Mn Fe Pb was found in the range of 0.08 - 0.88 mg/L nd - 1.88 mg/L and nd - 0.07 mg/L respectively. The concentration of Cd was to be non-detectable for all samples. The result found that total hardness was found higher value than standard quality water according to publish by Ministry of Natural Resources and Environment Thailand. The contamination of Mn and Fe in some samples was higher value than maximum allowable concentration. The problem of Fecontamination can extremely affect to physical properties of quality water. The production of household-water filtration in this work was modified from Bureau of Community Technology Department of Science Service Ministry of Science and Technology. The technology communication of the production household-water filtration was conducted by workshop procedure. The production household-water filtration was conducted step-by-step. All participants can produce the household-water filtration by themselves.

1. To study the personal factors of Diploma students in Ubon Ratchathani Vocational College 2. To study the knowledge about healthy food consumption of Diploma students in Ubon Ratchathani Vocational College. To study the healthy food consumption of Diploma students in Ubon Ratchathani Vocational College 4. To study the relationship between personal factors and healthy food consumption of Diploma students in Ubon Ratchathani Vocational College 5.To study the relationship between knowledge about healthy food and healthy food consumption of Diploma students in Ubon Ratchathani Vocational College amount 313 students.The instrument used in the research is the questionnaire. The statistics used for data analysis is frequency percentage and chi-square values and sampling by method of landscape The results revealed that. 1) Most of the students are female aged between 18-20 years they are studying in the first year Department of Business Administration. They live in a dormitory Ubon Ratchathani Province they get money from their parents 51-100 baht and the index is in the normal range. 2) Most students have knowledge about healthy food. The index is in good. 3) The objective of consuming healthy food is for health. The types of health food that are most commonly consumed are fruits and fruit products. Frequency of consuming healthy food 3-4 times per week. The average cost of consuming healthy food is 51-100 baht per time and receiving health food news from YouTube. Where to buy healthy food is the fresh market / night market. The most popular healthy food items are fruit salads and soy milk. 4) The relationship between personal factors and healthy food that gender is correlated with the frequency of consumption of healthy food. Field of study housing characteristics and money received from parents per day correlated with the cost of consuming healthy food on average per time and the statistical significance is at the level of .05 5)The relationship between knowledge of healthy food and healthy food consumption found that there is a relationship between the frequency of healthy food and the cost of healthy food consumption per time and the statistical significance is at the level of .05

The purposes of this research were 1) to study the individual factors of Vocational Certificate students in Kanchanaburi Vocational College 2) to study of the breakfast meal knowledge of the students 3) to study their category of breakfast consumption 4) to study the relationship between the students’ individual factors and category breakfast consumption and 5) to study the relationship between the breakfast knowledge and breakfast consumption of the students. The target group was 285 Vocational Certificate students. The employed research instrument was a questionnaire. The statistical methods used in analyzing the data were frequency percentage mean standard deviation and chi-square. Stratified random sampling was used in this research. The results show the following: 1) regarding the individual factors of the students the main target group is female students aged 16 years in Vocational Certificate Year 1 who study in the Business Computer department; the parents of the main target group are employees; the students receive 50-100 baht per day from their parents; and their Body Mass Index is normal; 2) the students’ knowledge of breakfast consumption was at a very high level; 3) the reasons for their choice of breakfast are convenience and quickness; they prefer one-dish meals; the cost ranges from 31 to 40 baht; meals with little taste were consumed; the place of purchasing is the college canteen; positive influences were the cleanliness of sellers freshness of food and use of ceramic plates; 4) the individual factors had a strong correlation with category breakfast consumption with a significance at the 0.05 level; and 5) the students’ knowledge about breakfast category correlated with their consumption in relation to daily consumption the consumption of blade loin food with crispy mixed or vegetable in a main dish consumption of fast food meal for breakfast drinking a substitute for the meal and consuming snacks for breakfast with significance at the 0.5 level.