The purposes of this research were 1) to study perception and retention production placement in Ban Nee Me Ruk situation comedy (sitcom) 2) to compare demographic characteristics purchasing decision behavior and 3) to study correlation of perception and retention production placement in Ban Nee Me Ruk Sitcom which purchasing decision behavior. The data were collected from 420 residents in Bangkok Metroplitan who were watching Ban Nee Me Ruk Sitcom. Data analysis employed frequency percentage arithmetic mean () and standard deviation (SD.) Statistics used for hypothesis testing included t-test One-way ANOVA and Chi-square. The study presented the following results: The presentation of the production placement included: display product images impulse buying shelves that attract customers. Another character of retention in the production placement was the latent contents. The production display were convenient goods such as Mamy Poko and Lactasoy. After the residents samples watched Ban Nee Me Ruk Sitcom the purchasing decision behavior was in the middle level (52.1%).

The objective of this research is to study relation level between personal factor and mixing factor of the marketing and the decision- making to buy the portable computers of Krirk university students. The sample group is 351 Krirk university students. The research tool is the questionnaire. Data analysis is described as percentage value means standard deviation t-test and F-test. The results showed that personal factors including gender age level of education salary and influenced persons are related to the purchase of portable computers of Krirk university students at the 0.01 level. It was also found that mixing factors of marketing price place and marketing promotion has a statistically significant positive relationship with decision-making of the purchase of portable computers of Kirk university students at 0.01.