Randomized experiments are often seen as the "gold standard" for causal research. Despite the fact that experiments use random assignment to treatment conditions, units are seldom selected into the experiment using probability sampling. Very little research on experimental design has focused on how to make generalizations to well-defined…

Statway® is one of the Community College Pathways initiatives developed by the Carnegie Foundation for the Advancement of Teaching to promote students' progress beginning in developmental math to and through college math credit. Early descriptive results suggested that the Statway program has tripled the success rate for students in half the time…

In 1983, the Ohio State Board of Education responded to the public's expectations for schools by adopting minimum standards requiring competency-based education in mathematics on a 5-year cycle, of each school district's competency-based education program; and to publish an annual report on competency-based education in Ohio. This document is the…