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…

The purpose of this practicum was to develop and implement a remedial mathematics program to improve the basic mathematics skills of seventh-grade students at Nathan B. Young Junior High School who fail to master the required minimal objectives on the seventh-grade "Criterion Referenced Test" (CRT). Target students were screened for…