Nancy--
You used the wrong value for correction for guessing. Assume 25
questions, 5 answers per question. A "pure guesser" would get
1/5 questions correct. Therefore the correction factor is 0.2
and not 0.25.
Ken
On Sun, 05 Nov 2000 11:41:39 -0500 (EST) [EMAIL PROTECTED] wrote:
> Stephen,
>
> I am going to argue with your logic:
>
> 25 item multiple choice section 1 for correct; 0 for blank; ¼point deduction
> for wrong answer.
>
> (All completed) 15Correct; 10 incorrect ( 2.5 points deducted) 15 points
> minus 2.5 = 12.5 raw score.
>
> (All not completed) 15 correct, 5 guessed wrong. 5 left blank…15 points,
> minus 1.25 deducted = 13.75 raw score
>
> This seems to be self-evident to me, at least on an individual basis.
> Perhaps it does not hurt on a group level, especially if you work for the
> College Board and ETS. But if you are seeing something here that I am missing
> due to my obvious personal bias, or undetected stupidity on my own part,
> please point it out to me now. I like to think I have a good command of
> logic, too.
>
> Nancy Melucci
----------------------
Kenneth M. Steele [EMAIL PROTECTED]
Dept. of Psychology
Appalachian State University
Boone, NC 28608
USA
