Do Scantron Machines Detect Cheating?
If cheating is witnesses, corroborating evidence can be obtained from the scantron data. If a student copies the answers from someone sitting nearby, the two answer vectors may appear suspiciously similar.
Can scantron machine make mistakes?
Skipping questions while using a scantron can and will break you. ... Though some scantron issues are human error, the machine itself isn't exactly state of the art. The actual scantron machine has a tendency to mark correct answers as wrong.
Why we shouldn't use scantrons for tests - The Glen Echo
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
The Scantron shines a light through the paper. Where the circle or square has been darkened the light bounces back. The machine is set so that it “knows” right answers from wrong answers according to the light signals bouncing back.
How do Scantron machines work? - Quora
How do you get 100 percent on a scantron test?
0:351:51
HOW TO ACE ANY SCANTRON TEST - HIGH SCHOOL HACKS - YouTube