The Nanoawareness Study is designed to answer the question "What, if any, impact do NISE Net activities delivered at Tier 1 and Tier 2 institutions have on the nanoawareness of the public audiences that experience those activities?" The Nanoawareness Study was initially conducted in Year 3 and then replicated in Year 4 with some methodological changes and a different sample of participants. The following report describes the Nanoawareness Study findings from Year 4 in comparison to findings from Year 3.