Construction and Standardization of Teaching Effectiveness Rating Scale (TERS) for Teacher Educators

Abstract

The paper details the construction and standardization of the Teaching Effectiveness Rating Scale for Teacher Educators. This scale assesses teaching effectiveness across eight key dimensions: Subject Mastery, Presentation Style, Student-Teacher Interaction, Preparation & Organization, Classroom Management, Motivational Strategy, Academic Support, and Assessment & Feedback. Initially, the researcher formulated 82 statements, which were reviewed by a panel of eight experts for validation. Based on their feedback, a provisional draft with 58 items was prepared. Further item analysis led to the exclusion of four items, resulting in a finalized scale of 54 items. Reliability testing indicated high consistency, with Cronbach's Alpha at 0.970 and the Spearman-Brown Coefficient at 0.964. Face and content validity were established to ensure the scale's effectiveness. Additionally, norms were developed by computing raw scores and their corresponding z-score ranges, providing a standardized framework for interpretation.