Developing a Pre-service Teacher Performance and Professional Ethics
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Abstract
The purposes of this research were 1) to development of Teacher Performance and Teacher Professional Ethics Scale for Pre-service. 2) the quality of Teacher Performance and Teacher Professional Ethics Scale for
Pre-service. Teacher. The sample was 250 4th and 3th - year teacher students in the academic year the 2024 selected students by using a simple random method. The research instrument was the Teacher Performance and Professional Ethics Scale for pre-service teachers. The data was analyzed by using the confirmatory factor analysis and exam parameters, such as discriminant power (α), difficulty (β), and the information of the test with Grade Response Model. The findings were 1) Developing a Pre-service Teacher Performance and Professional Ethics Scale has 20 item. The content validity of the scale ranges from 0.80 to 1.00. The reliability was 0.662. Confirmatory factor found Scientific Mind were consistent of the empirical data. 2) The findings were quality of Teacher Performance and Professional Ethics Scale. Using Multidimensional Item Response Theory Model for Polytomous Scored Item The slope parameter (α) is between 0.25 – 2.28 and the difficulty value the threshold value of each item (β) is the lowest order value, and reliability is 0.8544 for measurement information function values can analyze questions well in the range θ between -3.0 and +1.0
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