Boruch, Robert
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Publication Randomized Controlled Trials(2016-10-01) Boruch, Robert; Yang, Rui; Hyatt, Jordan; Turner, HerbThis paper covers the topic of randomized controlled trials in social, educational, criminological, health, and other human service sectors. It is studded with illustrations from developed and developing countries. We address the basic ideas that underlie trials in different ways, and cover contemporary definitions and vernacular, some history, and idea of cumulating evidence from such trials including recent work on replication and meta-analyses. Standards for evidence and reporting are considered. We attend to statistical matters and also recognize important non-statistical matters that must be taken into account in designing and executing such trials. Cluster randomized, place randomized, and other designs for such trials are covered on account of their increasing importance.Publication Student Task Persistence in the Third International Mathematics and Science Study: A Major Source of Achievement Differences at the National, Classroom, and Student Levels(2002-12-01) Boe, Erling E; Boruch, Robert; May, HenrySince the release of results from the Third International Mathematics and Science Study (TIMSS) in 1996, scholars have recognized that the central importance of TIMSS lies in its contribution to a better understanding of factors that are responsible for cross-national differences in average student achievement. Among many such factors may be differences in student ability and motivation to perform the task of completing the TIMSS achievement tests in math and science. In fact, national differences in math and science achievement scores may be determined more by differences in student test-taking ability and motivation than by . differences in student knowledge of math and science content. This possibility is explored in the research reported here.Publication Predictors of National Differences in Mathematics and Science Achievement: Data From TIMSS for Eighth Grade Students(2002-02-01) Boe, Erling E; May, Henry; Boruch, Robert; Barkanic, GemaThere is widespread belief that national economic productivity is related to student performance in mathematics and science. With the advent in the 1960s of international surveys of student achievement in math and science, cross-national comparisons have become possible and nations have aspired to become "world class" in this respect. A major national policy issue in the U.S. and elsewhere is to identify and implement actions to attain and maintain a high level of student achievement in math and science in international comparisons. The math and science project reported here was designed to capitalize on the potential for cross-national research with the Third International Mathematics and Science Study (TIMSS). TIMSS demonstrated that there are wide differences among nations in average student knowledge of math and science at several grade levels. Accordingly, a major research problem is to explain the sources of these national differences; that is, to identify the national-level variables that are the strongest predictors of national differences in average achievement scores. This problem was investigated to generate new research-based knowledge relevant to policy making about math and science education.Publication Teacher Churn in Missouri’s Five Biggest Cities, 2005-2014: A Briefing(2014-09-12) Bowdon, Jill; Boruch, RobertThis policy brief: (1) contrasts the proportion of math and science teachers who leave STEM fields within one year, three years, five years, and ten years with the proportion of English or Social Studies teachers who turnover during these intervals (2) examines stability of the year-to-year turnover from STEM fields (3) describes how teachers who leave math or science teaching assignments move into other STEM assignments, to non-STEM assignments, or leave the public schools of Missouri entirely, and (4) describes the rates at which teachers who are still teaching in STEM fields remain in the same school and district, shift to a different school in the same district, and shift to a different school and district. 5) contrasts the instability of STEM teachers in the five largest cities of Missouri with the instability of STEM teachers in the rest of the state.Publication Information Communication Technologies and Research in Developing Countries(2017-08-07) Gladstone, Jessica; Boruch, RobertPublication Ambient Positional Instability in New Jersey Public Schools: 1996-1997 to 2011-2012(2016-03-26) Ye, Tianpeng; Frisone, Michael; Hooks, Tom; Boruch, RobertPublication Ambient Positional Instability Among Illinois Teachers, AY 2007-2012: A Briefing(2016-09-01) Chao, Jessica; Park, Ji Eun; Boruch, RobertThis briefing concerns two measures of Ambient Positional Instability (API) among teachers in the state of Illinois: cohort retention and churn. The teacher population includes full time public school teachers in the base year of AY2007-2008 and who were followed longitudinally through AY2011-2012. The state, district, and school level cohort retention for elementary, middle and high school teachers over the five years are provided here, as are the cohort retention rates in the five largest school districts in Illinois. Population churn rates, which include both leavers and newcomers to the Illinois system, are reported within the state over the years covered. A rationale for the work is that high instability and regional differences in the instability rates can have serious implications for designing school level interventions, especially for those designed to be implemented over the course of multiple years, and for controlled trials on such interventions. Challenges and techniques used to mitigate problems encountered using publicly available datasets are also discussed.Publication In Search of Terra Firma: Administrative Records on Teachers’ Positional Instability across Subjects, Grades, and Schools and the Implications for Deploying Randomized Controlled Trials(2016-01-01) Boruch, Robert; Merlino, F. Joseph; Bowdon, Jill; Baker, John; Chao, Jessica; Park, Ji Eun; Frisone, Michael; Ye, Tianpeng; Porter, Andrew C; Hooks, TomPublication Failure Analysis(2013-09-05) Ruby, Alan; Boruch, RobertPublication The Appearance of Statistical Ideas in Prose, Poetry, and Drama: A Dictionary of Quotations, Aphorisms, Apothegms, Excerpts and Epigrams(2018-02-01) Boruch, RobertIt is not always easy to understand ideas that are statistical or probabilistic in character. It is even less easy to explain those ideas well. The quotations in this collection were assembled partly to understand how to understand, at least insofar as words (rather than statistical models) permit, and how writers think and explain. One of the motives here is also to assure that readers know from where the quotations come. Anybody nowadays can do a Google search and get what is alleged to a quote by someone famous. But the Googler might never know from where the thing came. Here, the intent is to assure that the right sources, properly cited, and the page numbers etc. are identified. The final motive is amusement. If these quotations amuse and entice others’ interest, that would be lovely.