The promotion of effective teacher professional development (ETPD) is a critical issue in the field of teacher education. The present study investigated how ETPD is affected simultaneously by teacher- and school-level factors across the United States, China, Finland, and Singapore. The data were drawn from the Teaching and Learning International…

A considerable number of empirical studies have led researchers to identify key characteristics that indicate effective professional development (PD). However, few studies have attended to teacher perceptions of PD characteristics across international contexts. This article reported on an exploratory study utilising latent class analysis (LCA) to…