การเสริมสร้างวินัยในตนเองด้วยชุดกิจกรรมพัฒนาผู้เรียนตามหลักภาวนา ๔ ของนักเรียนระดับชั้นมัธยมศึกษาตอนต้น โรงเรียนพระปริยัติธรรมวัดสุวรรณรังสรรค์ จังหวัดระยอง

The purposes of this thesis were to study the Lower Secondary School students of self-discipline conditions, to study the results of using student development activities based on Bhavana 4 to promote the self-discipline of Lower Secondary School  Students, and also to compare the level of self-discipline of Lower Secondary School  students, Suwanrangsan Buddhist School, Rayong Province, before and after using student development activities based on Bhavana 4. This Mixed methods research   used quantitative methods.  To extend the qualitative research results, 9 key informants were teachers of Suwanrangsan Buddhist School and person in charge from Wat affiliate.   Target Group for this research were 35 Lower Secondary School Students.  The research tools were 1) interview of teachers, 2) student development activities based on Bhavana 4, 3) self-discipline test. The data were analyzed by using percentage (%), mean ( ), standard deviation (S.D.) and paired sample t-test.  

Research findings were as follow:

1) Most students need the self-discipline in term of personal behavior, coexistence in public life, self-control skill, and learning skill were rated at low level.

2) Before using student development activities based on Bhavana 4, Lower Secondary School Students At Suwanrangsan Buddhist School, the self-discipline were rated in overview at medium level (  = 2.30 S.D. = 0.29). After using student development activities based on Bhavana 4, the self-discipline in overview at high level (  = 4.04 S.D. = 0.45).  In addition, the results of using student development activities based on Bhavana 4 to enhance self-discipline found that most students were better self-disciplined in term of personal behavior, coexistence in public life, self-control skill, and learning skill.

3) Lower Secondary School Students At Suwanrangsan Buddhist School, before and after using student development activities based on Bhavana 4 to enhance self-discipline, there were different level of self-disciplined. After using student development activities based on Bhavana 4, there was higher level of the self-discipline with a significance level of 0.05.