several problems are inherent in machine
scoring.
First, though Ferris (2003) claimed that students will improve
over time if they are given appropriate error correction and that
students use teacher-generated feedback to revise things other than
surface errors, students rarely use programs like MY Access! to revise
anything other than surface errors (Warschauer & Grimes, 2008);
paragraph elements, information structure, and register-specific
stylistics are largely ignored. Second, although teachers can create
their own prompts for use with the program (more than 900 prompts are
built into MY Access! to which students can write and receive
instantaneous feedback.), MY Access! will score only those prompts
included in the program. Third, regarding essay length, in many cases,
MY Access! seems to reward longer essays with higher scores;
consequently, it appears that MY Access! assumes that length is a proxy
for fluency.