When test scores seem too good to believe they probably are, concludes a USA Today story on cheating on standardized tests.
Tip-offs: The same cohort of students earn very low scores in one grade, very high scores in the next grade and very low scores in the following grade. Or, investigators look for an unusually large number of erasures with nearly all answers changed to the correct one.
In an Arizona State survey, more than half of teachers admitted to some form of cheating. Among 19 ways to cheat, they listed erasing incorrect answers and filling in correct ones, telling students to redo answers, giving students extra time and peeking at test questions in advance by “tubing” sealed exams.