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Heterogeneity Estimators In Random-Effects Meta-Analysis In Education, Qian Wang

Dissertations

Over the last four decades, meta-analysis has proven to be a vital analysis strategy in educational research for synthesizing research findings from different studies. When synthesizing studies in a meta-analysis, it is common to assume that the true underlying effect varies from study to study, as studies will differ in design, participants, interventions, or sample size that can lead to heterogeneity in their underlying effects. The magnitude of this heterogeneity between studies can be quantified as τ2 in a random-effects meta-analysis. Estimating the between-study heterogeneity (τ2) becomes an important part of random effects meta-analysis reporting, since this quantity plays a …

Teacher Evaluation In Saudi Arabia Relative To National And International Teacher Evaluation Standards And Best Practices, Suhayb Kattan

Dissertations

Teacher evaluation systems are essential in tracking the quality and effectiveness of teachers and education systems. This dissertation examines the teacher evaluation system in Saudi Arabia through multiple perspectives, including research-based frameworks for teacher evaluation, norms and best practices from OECD countries, and established Saudi Teaching Standards. An explanatory sequential mixed methods model was used. Data collection involved 643 responses to a teacher survey that covered working conditions, existence of professional learning communities, and teacher evaluation practices, methods, and uses. Following the survey, in-depth interviews were conducted with 11 teachers and 3 key informants.

Findings from this study indicate the …