Abstract:
This study aimed to study the reading behavior of students of Srinakharinwirot University
Prasarnmit Demonstration School (Secondary). The population and samples in this research were students
of Srinakharinwirot University Prasarnmit Demonstration School (Secondary) in the second semester of
academic year 2021. The sample size was calculated based on the Taro Yamane formula by Stratified
Sampling from the Junior High school and Senior High school levels. The research tool was an online
questionnaire. The statistics used in the data analysis were Frequency, Percentage, Mean, Standard
Deviation and t-test.
This research applied the Theory of Planned Behavior (TPB), which consists of demographic factors.
social factors and control factors. It was found that most of the students' demographic factors were at a
high level. Most of the social factors were medium level. Most of the control factors were medium level.
The comparison of Reading Behavior between Junior High school and Senior High school levels were
statistically significant difference at the 0.05 level.