Institute of Education Sciences and National Science Foundation, Common Guidelines for Educational Research and Development. Washington, DC: IES and NSF, August 2013. Online at: https://ies.ed.gov/pdf/CommonGuidelines.pdf

Describes six types of research: 1) fundamental, 2) early-stage or exploratory, 3) design and development, 4) efficacy, 5) effectiveness, and 6) scale-up -- along with their purposes, justification, methods, and outcomes; these guidelines are to assist investigators in preparing proposals to IES and NSF. A related document, Companion Guidelines on Replication and Reproducibility in Education Research (NSF, November 2018) discusses these two additional features and how research proposals should deal with them