Paper Title
The Needs Assessment of Plastic Usage in Sansai Subdistrict Community for Organizing School Education

Abstract
The aims of this research were to study the actual and desirable conditions of behavior and attitudes of plastic usage in daily life of people in Sansaisubdistrict community,to prioritize the actual and desirable conditions of daily use behavior of people in Sansaisubdistrict community,and to set guidelines for the development of plastic usage behavior in Sansaisubdistrict community.The research methodology wasmixed method. In quantitative design, the population were 11,131 people of Sansaisubdistrict community. The samples were 385 people using stratified random sampling drawn by Taro Yamane’s formula. Data collection was conducted by utilizing questionnaire composed by the author and analyzed by statistic frequency, percentage,average, standard deviation, pair sample t-test and the needs were ranked by using PNImodified.. In qualitative design, we used existing data from 4 key informants who were community leaders in Sansai subdistrict. Data collection employed by an interview. A collective review of study results included the content analysis and interpretation: inductive conclusion. Research finding showed that 1)In the actual condition of plastic usage, people reused plastic bags / glasses for other uses such as planting trees,used as garbage bags and insect protecting fruit wrap in highest average at a medium level (Mean = 3.18) while in the desirable condition of plastic usage was in the same item that people reuse plastic bags / glasses for other uses such as planting trees ,used as garbage bags and insect protecting fruit wrap in highest average at a more level. (Mean = 3.89), 2) As the survey of the actual conditions regarding the attitude towards the plastic usage, it was found that they were proud to be involved in solving environmental problems in highest average at the high level (Mean = 3.84) and in the desirable condition regarding the attitude towards the plastic usage was in the same item that people were proud to be involved in solving environmental problems in highest average at the high level (Mean = 3.95). The analysis of priority of needs for the actual and desirable conditions showed that the behavior in plastic usage; recycle plastic bags / glass to make other new products was the first priority (PNImodified = 0.50) ,while the attitude towards plastic usage; the plastic bags/glassesshould be reduce and stop using by their own family was the first priority. (PNImodified = 0.14) And from content analysis by interviewing key informants,we found that people in Sansai sub district used plastic because it was convenience, the amount of plastic waste were decreased because of waste separation policy. But in terms of behavior, the use of bags and plastic glasses was still a significant problem and cannot be solved in present time. In the future the municipality will have a campaign of using cotton bagsinstead of plastic bags and promotes people to use less plastic. Keywords - Need Assessment, Plastic Usage, Actual and Desirable Conditions.