The objectives of this research were 1) to study the behavior and decision to buy online food of vocational students in Phitsanulok Province 2) to compare of personal factors with behavior and decision to buy online food of vocational students in Phitsanulok Province and 3) to study online food shopping behavior affecting to buy online food decisions of students vocational in Phitsanulok Province. The research was a quantitative research using questionnaires from 400 vocational students in Phitsanulok Province. Data was systematically analyzed by percentage mean standard deviation (S.D.) t-Test One-way ANOVA and multiple regression analysis. The result showed that the behavior of buying online food was at moderate level. The decision to buy online food was at moderate level. Difference Personal factors including gender year of study type of subject housing type and monthly income had different of behavior of online food shopping with no statistical significance. Difference Personal factors including type of subject and monthly income had different of decision to buy food online with statistical significance at .05. Online food purchasing behavior effecting decision to buy food online with statistical significance at .05.

The objectives of this research were to 1) study attitudes and consumption behavior of clean food for health 2) compare personal factors with consumption behavior 3) compare personal factors with consumption attitudes and 4) study attitudes affecting consumption behavior. The sample group was the population of Bangkok Province. Used in the study: 740 people. The questionnaire was used as a research tool. The data were analyzed by frequency percentage mean standard deviation. T-value test Analysis of one-way ANOVA and multiple regression analysis. The research results were found that: attitudes towards the consumption of clean food for health during the Covid-19 epidemic situation was at a high level. Clean food for health consumption behavior during the Covid-19 epidemic situation was at a high level.Individual factors including gender education and status had different attitudes towards healthy food consumption. During the Covid-19 epidemic situation the difference was statistically significant at the .05 level Individual factors including gender education income occupation and status had different healthy clean food consumption behaviors during the Covid-19 epidemic with statistical significance at the .05 level. Attitudes had a statistically significant effect on healthy food consumption during the Covid-19 epidemic at .05 level.

The objectives of the research were to 1) study the desirable characteristics of a short course 2) study the need for short course training 3) study motivation for short course training 4) study media exposure channels about short course training in mass communication technology and 5) guidelines of short course Training development for enhancement in competitive of Faculty of Mass Communication Technology Rajamangala University of Technology Phra Nakhon. Data were collected from 400 samples by using questionnaire. Data was analyzed by mean standard deviation (S.D.). The results showed as follows: 1) Desirable characteristics of a short course in mass communication technology found that most of them were interested in studying on Saturday-Sunday between 09.00-16.00 (68.75%) studying 3-6 hours or 1 day (47.25%) online training 50% and practice 50% (53.00%) completing a course (82.00%) requires a certificate after study (87.00%) and the average cost was 4962.17 baht. 2) The need for short course training in mass communication technology was 20 courses including 1) shooting and editing video with mobile phone for online sales 2) photography for storytelling on mobile phone 3) online marketing 4) graphic design for brand communication 5) Website development for community brand communication 6) photo retouching techniques 7) making sales with smartphones 8) offline marketing campaign 9) online selling via social network 10) application for online teaching 11) video and audio editing 12) creating Thai wisdom for community products 13) speaking and communication in the community 14) packaging design for community products 15) creative thinking to brand building 16) graphic design for storytelling 17) computer graphics design 18) photography for digital media 19) e-commerce website creation and 20) computers for the elderly. 3) Motivation for short course training in mass communication technology was at high level (=4.01) including self-motivation was at high level (=4.14) career motivation was at high level (=4.06) and social motivation was at high level (=3.79). 4) media exposure channels about short course training in mass communication technology was at middle level (=3.15) including Facebook was at a high level (=4.34) website was at a high level (=3.57) Television was at a high level (=3.56) acquaintances were at a moderate level (=3.35) radio broadcasting was at a moderate level (=2.82) and newspapers were at a moderate level (=2.82) 5) Guidelines for developing short course training to increase competitiveness found that desirable characteristics of short course training on Saturday-Sunday between 09.00-16.00 (68.75%) studying 3-6 hours or 1 day (47.25%) online training 50% and practice 50% (53.00%) completing a course (82.00%) requires a certificate after study (87.00%) and the average cost was 5000 baht that the most of them can pay the cost 1000 bath. The public relations channels via Facebook and agency website. The short courses of the Faculty of Mass Communication Technology consisted of 14 courses including 1) shooting and editing video with mobile phone for online sales 2) photography for storytelling on mobile phone 3) online marketing 4) graphic design for brand communication 5) Website development for community brand communication 6) photo retouching techniques 7) making sales with smartphones 8) offline marketing campaign 9) online selling via social network 10) application for online teaching 11) video and audio editing 12) creating Thai wisdom for community products 13) speaking and communication in the community 14) packaging design for community products.

The objectives of the study were to develop online article submission system of the Journal of Mass Communication Technology RMUTP and assess the appropriateness of then online article submission system of the Journal of Mass Communication Technology RMUTP. The program used to develop online article submission system using WordPress. The data was collected from a sample of 30 users who was evaluation the system. Data was analyzed by mean and standard deviation (S.D.). The results showed as follows: online article submission system of the Journal of Mass Communication Technology RMUTP was appropriate at a high level.

The objectives of the study were to produce 3D virtual reality media production for public relations of Rajamangla University of Technology Phra Nakhon and to study the satisfaction of the 3D virtual reality Media. This research was research and development. The data was collected from a sample of 400 samples. Data was analyzed by mean and standard deviation (S.D.). The results showed as follows: the sample group had the satisfaction to 3D Virtual Reality Media for Public Relations of Rajamangla University of Technology Phra Nakhon was at a high level.