This Article Full Text (OnlineFirst PDF) All Versions of this Article: 0193841X08316672v1 32/5/415    most recent Alert me when this article is cited Alert me if a correction is posted Services Email this article to a friend Similar articles in this journal Similar articles in PubMed Alert me to new issues of the journal Add to Saved Citations Download to citation manager Request Permissions Request Reprints Add to My Marked Citations Google Scholar Articles by Mandell, M. PubMed PubMed Citation Articles by Mandell, M. Social Bookmarking                   What's this?

Having One's Cake and Eating It Too: Combining True Experiments With Regression Discontinuity Designs

^* To whom correspondence should be addressed. E-mail: mandell{at}umbc.edu.

	Abstract

Both true experiments and regression discontinuity (RD) designs produce unbiased estimates of effects. However, true experiments are, of course, often criticized on equity grounds, whereas RD designs entail sacrifices in terms of statistical precision. In this article, a hybrid of true experiments and RD designs is considered. This hybrid entails smaller sacrifices in statistical efficiency than RD designs and also is likely to be judged as being considerably more fair than true experiments and possible even RD designs. Moreover, unlike pure RD designs, the hybrid design considered here can be employed in situations in which the variable on which assignment to treatment condition is based takes on only a discrete set of values.

CiteULike    Connotea    Del.icio.us    Digg    Reddit    Technorati    What's this?