The two articles in this special section discuss the use of portfolios in large-scale assessment. Both describe pilot studies of portfolio assessment, pointing out pitfalls and advantages. If portfolios are to realize their potential in assessment and instructional improvement, teachers, students, and the public must receive better information…

The two articles in this special section, combined with two previous articles, discuss the use of portfolios in large-scale assessment. Ten years ago, there was great interest in portfolio assessment in state testing programs, but no large-scale program relies on portfolios at the present time. These articles continue to consider their uses. (SLD)

Reports on a survey of state assessment directors (100% response rate) in 1994 documenting assessment policies and practices concerning English language learners (ELLs) within state assessment systems. In the 1993-94 school year, 17 states required students to pass one or more content-area tests to receive a diploma, testing ELLs in several ways.…

Analyses of 10 raters' reasoning during think-aloud interviews provided evidence to support a model of the fundamental processes involved in rating standards-based, nonprescriptive portfolios. This process model provides a framework within which to conceptualize sound-rater reasoning and to identify reasoning that distorts the meaning of scores.…

Explores issues of whose work is actually being evaluated when raters outside the classroom context make judgments about students based on work composed with the support of peers, teachers, and parents. Data from an evaluation of a statewide assessment and a study of scoring elementary school writing portfolios illustrate the issues. (SLD)