Sentences with phrase «true random assignment»

Limitations include small sample size, lack of true random assignment, reliance on self - reported measures, no - treatment control group, generalizability due to ethnic composition of participants, and lack of follow - up.

Certain cabinet departments in the US will, from time to time, conduct a field experiment to examine the outcomes of some program they manage, involving true random assignment of «clients» to various treatment or to non-treatment.

Not exact matches

JB: We find in the research that in most of the random assignment studies, the highest quality studies we have, it's true that when parents do have options, there are positive outcomes both in terms of achievement as well as persistence in school and in college.

At the end of the day, it is true researchers have not conducted a random assignment study assessing Indiana voucher students» test scores in the same way Milwaukee, Cleveland, and Washington, D.C.'s programs have been studied.