How does e rater work

The Criterion® Online Writing Evaluation service from ETS is a web-based instructional writing to...

Criterion is an online tool to help students improve their English communication skills by planni...

by ETS Hardcover. $17.43 ; by Random House Paperback. $8.99 ; by David Madden Paperback. $34.95.

Criterion是由美國ETS®的分支機構-ETS科技公司(ETS Technologies, Inc.)所推出的。研發TOEFL、GRE、TOEIC等知名考試的ETS，經過十多年研究線上評分...

For order information, pricing or questions about the Criterion service, use the contact informat...