A link to the National Science Foundation that provides excellent guidelines for preparing and submitting unsolicited proposals.
National Science Foundation Grants Proposal Guide
This National Science Foundation publication describes the types of evaluations principal investigators/project directors may be called upon to perform over the lifetime of a project. It also includes the development of evaluation questions and the collection and analysis of appropriate data to provide answers to these questions.
User Friendly handbook for Project Evaluation
This National Science Foundation publication presents information on mixed method evaluations which combine quantitative and qualitative techniques.
User-Friendly Handbook for Mixed Method Evaluations