Peg -

: Dr. Page, a former high school English teacher, conceived PEG to help educators manage the overwhelming workload of grading. The first version was born at the University of Connecticut in 1964.

: Due to the limited computing power of the era, the system remained largely theoretical until the mid-1980s. : Due to the limited computing power of

: The algorithm is fed a sample of essays (typically 100 to 400) already graded by expert humans. It calculates "beta weights" to determine which text features correlate most strongly with high scores. : In the 1990s, as computerization became feasible,

: In the 1990s, as computerization became feasible, PEG was used for large-scale testing programs like the GRE and NAEP . Today, it is managed by Measurement Inc. and powers platforms like ERB Writing Practice . How the Algorithm Works How the Algorithm Works