SPSS Stats/Question

allieh74 · #1 May 20, 2005, 05:03 AM

What statistcal tool do I use in SPSS to correlate grades from a test (expressed as a percent) with a letter grade from another class?

Thanks,
Allie

reinsuranc · May 24, 2005, 05:59 AM

I am assuming it is the letter grade part of this problem that is confusing you.

I would convert the letter grade to numbers using whatever scale you feel is appropriate (for example, B=3.00, B+ = 3.33, A- = 3.67, A=4.0).

Now you have two tests with numerical scores.

Once you have done that, does the remainder of your problem make more sense?

allieh74 · May 24, 2005, 07:40 AM

Thanks for your feedback. I guess I was having trouble resolving grade points as interval data, but since we use it to calculate grade point averages it must be quasi-valid.



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