期刊
EDUCATIONAL AND PSYCHOLOGICAL MEASUREMENT
卷 69, 期 6, 页码 978-993出版社
SAGE PUBLICATIONS INC
DOI: 10.1177/0013164409332217
关键词
automated scoring; writing ability; developmental scale
A developmental writing scale for timed essay-writing performance was created on the basis of automatically computed indicators of writing fluency, word choice, and conventions of standard written English. In a large-scale data collection effort that involved a national sample of more than 12,000 students from 4th, 6th, 8th, 10th, and 12th grade, students wrote (in 30-min sessions) up to four essays in two modes of writing on topics selected from a pool of 20 topics. Scale scores were created by combining essay indicators in a standard way to compute essay scores that shared the same scoring standards across essay prompts and student grade levels. A series of ancillary analyses and studies were conducted to examine the validity of scale scores. Cross-classified random effects modeling of scores confirmed that the particular prompts on which essays are written have little effect on scores. The reliability of scores was found to be higher compared to previous reliability estimates of human essay scores. A human scoring experiment confirmed that the developmental sensitivity of scale scores and human scores was similar. A longitudinal study confirmed the expected gains in scores over a 1-year period.
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