The researchers note that "it would cost about $222 per year to raise a student's test
score by 0.1 standard deviations through switching from in-house preparation to a healthy lunch provider.
This proposal advocates the position that the use of confidence wagering (CW) during testing can predict the accuracy of a student's test
answer selection during between-subject assessments.
First, we can plot a student's test
scores as a function of time.
Fair and valid use of educational testing is most problematic when the student being evaluated differs from the test developer's validation (i.e., norm) group on critical dimensions that might affect the student's responses and reactions to the testing situation or the test user's interpretations of the student's test