The purposes of this study were 1) to study information perception attitude and behavior of undergraduate students for participation in 3D-based activities at Rajamangala University of Technology Phra Nakhon; 2) to compare personal factor and participatory behavior in 3D-based activities; and 3) to study how information perception and attitude correlate with participatory behavior in 3D-based activities which include Decency Democracy and Drug-free. Data were collected from 400 RMUTP undergraduate students from all nine faculties in 2010. Results of the study indicated that RMUTP students perceived news releases on 3D policy at average level. Similarly their overall attitude towards 3D policy campaign was also rated in average level. Hypothesis testing results showed that firstly students with different gender and faculty of showed significant different participatory behavior in 3D-based activities at the level of .05. Secondly the perception of 3D policy new releases had positive correlation with participatory behavior in 3D- based activities. Thirdly attitude towards 3D policy of the university had positive correlation with participatory behavior in 3D-based activities.

The study of ethical behaviors through students perception in the field of business administration in Rajamangala Institute of Technology Bangkok Commercial Campus was a study to find seven ethical behaviors of the students those were : honesty discipline generosity responsibility hard-working self-reliance and gratitude. The purpose of this research was to study seven aspects of ethical behaviors through students perception and compare the ethical behaviors between sex and learning achievement. The sample of this study selected by using simple random sampling technique from students in six majors of business administration field of study. In each major -Accounting Marketing Infonnation System Management Business English and Finance -50 students was selected as sample of the study totally 300 students. A questionnaire was used in collecting data. The findings were as follow : It was found that the ethical behaviors through the students perception was totally in high level. As for each aspect it was in high level 5 ones -gratitude honesty self-reliance discipline and responsibility respectively. For the medium level there were two aspects: hard-working and enerosity. The comparison of ethical behaviors through students perception by sex found that ethical behaviors of male students were totally in the medium level and female students were in high level. When considering in each aspect ofboth sexes the highest means was in gratitude honesty was lower. The total of comparison was found statistically significant difference at the 0.5 level. It was also found that there were four differences in statistical significance at the 0.5 level -honesty discipline responsibility and self-reliance. The comparison of ethical behaviors through students perception by learning achievement found that totally ethical behaviors of students with low achievement (lower than 2.00) were in the medium level. Students with medium achievement (2.00 -2.99) and those with high achievement (3.00 -4.00) were in high level. When considering each aspect of students with low medium and high achievement the highest means was in gratitude and followed by honesty except students with low learning achievement the lower level was discipline. The result of totally comparison was different at the 0.5 statistical significance level. There were two different aspects with statistical significance at the 0.5 level in the aspect of honesty and self-reliance.