Many stakeholders have long argued that teachers should use data from their own teaching as a way to improve their performance. The first chapter of this dissertation is a summary of the literature that advises mathematics teachers about what data they should gather and how they should use those data to improve instruction. The literature is…

This paper uses data originally gathered as part of an Australian national research study into the Impact of Educational Research (2000). The author was a member of one of four research teams, led by Professor Marilyn McMeniman. The team's focus was to identify the main influences on the knowledge that teachers draw on as they teach--their…