Estimating astronomical scales requires multiple complex mental processes, such as spatial thinking and interpreting large numbers. As such, it is a nontrivial question how these estimates can be most efficiently assessed. There is reason to believe that results from previous studies probing astronomical scale estimates are possibly susceptible to…

This study analyzes the effect of spatial competition on public schools' efficiency in Chile, an extreme case of market-oriented reforms in the educational sector. To address this issue, we use a measure of competition that captures three major characteristics of market competition in a spatial context: the number of competitors, based on distance…

This study compared two phonological assessment tools for use with young Spanish-speaking children in the American Southwest, FON and STAR. Each was administered to 27 1-, 2- and 3-year-old monolingual Spanish-speaking children in the greater Phoenix area. Analyses compared the children's rate of response, complexity of the children's productions,…

Each year , thousands graduate high school academically underprepared for college. Many must take remedial or developmental postsecondary coursework, and there is a growing debate about the effectiveness of such programs. This paper examines the effects of remediation using a unique data set of over 28,000 students. To account for selection…