A secondary data analysis was conducted using a large dataset from a study related to online professional development for eighth grade teachers of mathematics. Using this data, the paper provides a snapshot of the current state of teachers' knowledge related to proportional reasoning and functions. The paper also considers how teachers' knowledge…

Despite the ever-increasing number of online professional development (OPD) programs, relatively few studies have been conducted to examine the efficacy of such programs for teachers and students. This manuscript presents findings from an impact study of OPD courses in fractions, algebraic thinking, and measurement on 79 fifth grade teachers'…

Because children who are deaf or hard of hearing are being identified at birth, fitted with advanced hearing technology, and enrolled in early intervention programs, families increasingly seek professionals who can provide services that support their choice of listening and spoken language. The increased demand for these services and shortages of…