Pearson sought to explore whether the use of MyLab Math for Developmental Math, a teaching and learning platform predominantly used in higher education by students who need remediation on foundational math skills, is related to students' course grades and likelihood of passing the course. This Research Report presents findings from two research studies: one correlational study conducted at Arizona State University, a four-year college, for students enrolled in an introductory mathematics course; and one correlational study conducted at five US higher education institutions where MyLab Math for Developmental Math was used in developmental math courses during the Fall semester of 2015. A correlational study design was chosen to seek out possible relationships between the use of MyLab Math for Developmental Math and students' course grades and likelihood of passing the course, to identify areas of focus for potential future research using more rigorous causal study designs. The findings appear alongside details of the research studies, including descriptions of the samples studied, methods of analysis, results, limitations and generalizability, and notes on possible future research. The report also summarizes the context surrounding the findings, including the research that informed the design and development of the product, the history of the product in the market, how educators use the product, and its intended outcomes. [PricewaterhouseCoopers LLP was commissioned to audit the efficacy statements set out in Pearson's Research Reports.]