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Description
Vietnam's transition from an English as a Foreign Language (EFL) to an English as a Second Language (ESL) landscape requires educators to actively engage in research-informed practices, highlighting the need to foster teacher-researchers. Central to developing this research competence is Research Self-Efficacy (RSE)—individuals' beliefs in their capability to execute research tasks. However, accurately assessing RSE within TESOL contexts remains a challenge. Early-generation RSE instruments, developed predominantly for Western psychology or STEM cohorts, emphasized quantitative techniques while frequently omitting crucial higher-order competencies such as theoretical framing and ethical practice. This conceptual paper critically reviews the evolution of RSE measurement tools and evaluates their applicability to graduate TESOL education in Vietnam. By contrasting legacy scales with contemporary multidimensional instruments—specifically the Comprehensive Research Self-Efficacy Scale (C-RSES) and the Sources of Research Self-Efficacy Scale (SRSE)—this review argues that holistic measurement is essential for capturing the complex demands placed on language educators. The paper demonstrates that contemporary tools, which account for theoretical foundations, ethical responsibilities, and emotional regulation, align more closely with the realities of TESOL practitioners. The review concludes that adopting theory-consistent and comprehensive RSE instruments enables educational programs to identify specific confidence gaps and design targeted pedagogical interventions. Ultimately, rethinking how research confidence is measured is a critical first step in empowering in-service teachers to become autonomous researchers, equipping them to navigate and shape Vietnam's evolving ESL environment.
