Abstract:
The teacher's mindset and practice of the classroom assessment are important that develop the student learning. Therefore, there should be guidelines to encourage the teacher's mindset and practice of the classroom assessment that be useful and practical. The objective of this research were: 1) to develop the teacher's mindset and practice of the classroom assessment questionnaire. 2) to analyze and compare the teacher's mindset and practice of the classroom assessment from the different backgrounds of the teachers. 3) to analyze the factors of affecting the teacher's mindset and practice of the classroom assessment. 4) to suggest the teacher's mindset and practice of the classroom assessment guidelines for teachers. The research was divided into three phases. The first phase was to develop the teacher's mindset and practice of the classroom assessment questionnaire by multidimensional within item. It is a rating scale. The validation of the questionnaire was to approve its reliability, content validity, and construct validity by confirmatory factor analysis. The second phase was to analyze the factors of affecting the teacher's mindset and practice of the classroom assessment. The data have collected by a questionnaire that develop from the first phase and then analyzed with descriptive statistics and the structural equation modeling (SEM). The samples were 287 teachers in Bangkok. The third phase was to develop the teacher's mindset and practice of the classroom assessment guidelines by using the research findings in the second phase. The research findings were as followed: 1. The development a questionnaire found that the teacher's mindset and practice of the classroom assessment questionnaire was consistent in reliability (Omega= .864 - .917), content validity (IOC= 0.67-1.00), and the model fit the empirical data (χ2 (41, N = 179) = 45.65, p = .07, DIC = 2286.37 , BIC = 2427.26). When consider the weights of elements, it was found that the teacher's mindset elements had values between .40-.78, and the practice of the classroom assessment had values between .38-.82. 2. The teacher's mindset and practice of the classroom assessment found that the teacher had a low- growth mindset (59.23%) higher than a high- growth mindset (40.77%). When comparing the different backgrounds of the teachers, it was found that they were not significantly different at the statistical not significant. 3. The result of analysis the influence of the teacher's mindset and practice of the classroom assessment model with the structural equation modeling (SEM) found that the school support had a direct influence on assessment literacy (β= 0.57), an indirect influence on teachers classroom assessment mindset (β= 0.52), and the teacher classroom assessment practices (β= 0.53) through assessment knowledge. Moreover, the assessment knowledge had a direct influence on the teacher's classroom assessment mindset (β = 0.70), an indirect influence on teacher's classroom assessment practice (β = 0.70) through the teachers classroom assessment mindset, And the teachers' classroom assessment mindset had a direct influence on teachers' classroom assessment practices (β = 0.97). 4. The teacher's mindset and practice of the classroom assessment guidelines for teachers, the teachers practice of the classroom assessment should be school support that encourage teachers to be assessment knowledge that leading to a good practice about the measurement and assessment of students. The teacher's a growth mindset and practice of the classroom assessment should be considered differences in the measurement and assessment background and the characteristics of school.