New models are commonly designed to solve certain limitations of other ones. Quantile regression is introduced in this paper because it can provide information that a regular mean regression misses. This research aims to demonstrate its utility in the educational research and measurement field for questions that may not be detected otherwise.…

This document describes the breadth of the research being conducted in 2008 by the Research and Development Division at Educational Testing Service (ETS). The research described falls into three large categories: (1) Research supported by the ETS research allocation; (2) Research funded by testing programs at ETS; and (3) Research funded by…

This report presents the preliminary development and field-testing of an observational system designed specifically to describe teacher-student dyadic interaction in second language instructional settings. (Author)

A summary of the purpose of the project, a discussion of experiment design, some statistical analysis of test results, and implications are included in this article. Attempting to determine which of three audio-assistance systems--the audio-active, audio-record language laboratory, or the classroom tape recorder--is most effective in foreign…

This book examines the school failure and success of Chicano students from a wide variety of perspectives. It attempts to promote further understanding of what constitutes, maintains, and helps shape school failure among Chicano students, and to present research and policy agendas that may help to realize Chicano school success. Five sections…

THIS FINAL REPORT DESCRIBES TWO RESEARCH EXPERIMENTS CARRIED OUT IN TOKYO IN 1965 AND 1966. STUDY A, A COMPARATIVE STUDY OF THE ACQUISITION OF A FOREIGN LANGUAGE AT TWO DIFFERENT AGE LEVELS (3RD AND 4TH GRADES), WAS BASED ON A COURSE OF THREE 15-MINUTE SESSIONS A WEEK, USING TEN-MINUTE TAPES. SOME RESULTS NOTED WERE--(1) NO DIFFERENCE BETWEEN…