This study examined the self-concept among B.Ed students in Ongkharak district this study adopted normative survey method of research. Participants were 46 B.Ed students randomly selected from B.Ed College in Onkharak district. The research instruments used for data collection was Self- Concept questionnaires developed by Dr. Jerusalem and SALF tested at 0.05 level of significance. It is found that male and female of B.Ed students do not differ significantly in their self-concept.
Key words: Self-Concept, Random Sampling, Normative Survey, B.Ed students.
Based on the findings and discussion, the researcher can conclude that the Researcher-Developed Present Vs Past Participle Phrase Worksheet has improved grammar proficiency among 12th/3 graders at Nakhonthai school. It has been proven by the students’ mean score of the test. The study reveals a substantial improvement in students' grammar skills, reflected in a remarkable increase in the overall mean score from pretest (7.23) to posttest (13.49). Statistical analysis, including a paired t-test value of 3.1039 (p < 0.0001), underscores the significance of this improvement. Furthermore, high satisfaction levels are evident, with mean scores of 4.8/5 for the teacher, 4.5/5 for the worksheet, 4.6/5 for the evaluation method, and 4.4/5 for personal engagement. The overall satisfaction mean of 4.6/5 emphasizes the positive reception of the developed worksheet across various aspects. These findings contribute valuable insights to language education, affirming the effectiveness of innovative teaching tools in both improving proficiency and fostering student satisfaction.