Use a stratified Random Sampling. Study population can be divided into two stratified . Stratified by students in lower secondary school and upper Secondary Chiangkhamwittayakhom School, Phayao Province in year 2556.Then use simple random sampling in each stratum and calculate the sample size by using proportional allocation.
Data collection
This study is used a questionnaire as a tool to collect data. They are divided into two parts.
Part 1: General Information of the students. Including gender, year, and plans (only the students in upper Secondary).
Part 2: Ask a student satisfaction with 5 aspects: Aspects of library personnel, the building and its surroundings, Information resource , quality of service and communication
Analysis
The study was conducted to analyze the data with computer programs such as SPSS and Microsoft Excel as follows:
Part 1 General information of the students respondents in Chiangkhamwittayakhom school, Phayao Province. The statistics are number and percentage are presented in tabular form.
Part 2 Estimation of population characteristics. The statistics by estimating the proportion of the population are the number and percentage of students' satisfaction in use of the library Chiangkham wittayakhom school. Chiang Kham , Phayao Year 2556