scientifically valid education evaluation
(19) Scientifically valid education evaluation The term “scientifically valid education evaluation” means an evaluation that— (A) adheres to the highest possible standards of quality with respect to research design and statistical analysis; (B) provides an adequate description of the programs evaluated and, to the extent possible, examines the relationship between program implementation and program impacts; (C) provides an analysis of the results achieved by the program with respect to its projected effects; (D) employs experimental designs using random assignment, when feasible, and other research methodologies that allow for the strongest possible causal inferences when random assignment is not feasible; and (E) may study program implementation through a combination of scientifically valid and reliable methods.