How Is Scantron Scored?
Test Scoring Scores 200-question objective tests (multiple choice, true/false, matching). Prints an error mark or the correct answer next to the wrong answer. Prints the total number of wrong answers as a raw score or percentage and raw score. Prints a serial number identifying each form.
How accurate are Scantron machines?
The Scantron 888P+ model can grade as many as 40 tests per minute with a 99.9% accuracy rate. Scantron forms contain an infrared light-reflecting ink. When a form passes under an internal read head, the machine notes where the light has been absorbed by pencil lead.
Scantron - Los Angeles Times
Scantron is a form of Optical Mark Recognition (OMR), which, according to Mental Floss, occurs when a scanner beams light through a thin sheet of paper, noting where the dark marks were.
What is a Scantron: From the Origin of Testing Tools and Beyond
How do you read a Scantron score?
A score of "0" to plus or minus "1" reveals the appropriateness of an individual exam question, where "+1" indicates a question that was repeatedly answered correctly by high performers and answered incorrectly by lower performers.
How to Interpret Scantron Scores - TheClassroom.com
What is the highest score you can get on Scantron?
Scaled score values in Performance Series typically range from 1300 to 3700 (for the High School Algebra and Geometry tests, values range from 5000 to 6000).
Performance Series Performance Series Scores