The Questionnaire about Factors Affecting Enactment of Competency-based English Teaching Curriculum: A Developing and Validating Method

Abstract

To capture Vietnamese high school English teachers’ driving forces and barriers in enacting the Competency-Based English Teaching Curriculum (CBETC), this study presents the method of designing and developing a questionnaire. It also validates its structure and reliability when used as a survey in the classroom. The relevant theories were analyzed to construct their content and form. Two techniques, Exploratory Factor Analysis (EFA) and Confirmatory Factor Analysis (CFA), were utilized to assess the construct validity and reliability, while internal consistency was evaluated using Cronbach’s alpha (α). The results showed that the questionnaire identified dimensions of impetus through three distinct factors: English curriculum-related, teacher-related, and teaching method-related. Similarly, hindrances were measured through three corresponding factors: English curriculum-related, teacher-related, and institution-related aspects. EFA and CFA results confirmed the construct validity of the instrument, with the impetus scale comprising 10 items across three factors (KMO = 0.77; p=0.000; Chi-square/df = 2.066, GFI = 0.976, CFI = 0.982, RMSEA = 0.045; PCLOSE = 0.665; α = 0.79; and CR=0.825), and the hindrance scale comprising 12 items also grouped into three factors (KMO = 0.84; p<0.001; Chi-square/df = 1.912; GFI = 0.969; CFI = 0.982; RMSEA = 0.042; PCLOSE = 0.845; α = 0.84; and CR=0.845). These findings indicate that the instrument demonstrates acceptable levels of validity and reliability, supporting its use in future research on teachers’ motivational and contextual factors influencing CBETC implementation.

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