PGRE April 4 2009 Results

Jai_Guru
Posts: 9
Joined: Thu Apr 09, 2009 7:34 pm

PGRE April 4 2009 Results

Postby Jai_Guru » Mon May 04, 2009 2:20 pm

I'm starting this thread so we can compile a list of results of the test once they start arriving. The objective is to reconstruct the full relationship: raw score - scaled score - percentile. I hope everyone participates.


Here is a compilation of the posted results

raw score - scaled score - %
? - 990 - 96
? - 980 - 95
71 - 890 - 86
52 - 740 - 63
Last edited by Jai_Guru on Sat May 16, 2009 7:02 pm, edited 7 times in total.

Engage
Posts: 25
Joined: Fri Jan 02, 2009 5:18 pm

Re: PGRE April 4 2009 Results

Postby Engage » Mon May 04, 2009 2:40 pm

Got a 990 which is 96th percentile. I will edit once the raw score comes in

matonski
Posts: 121
Joined: Thu Dec 04, 2008 5:03 pm

Re: PGRE April 4 2009 Results

Postby matonski » Mon May 04, 2009 3:15 pm

890 - 86th percentile

vrg
Posts: 2
Joined: Mon May 04, 2009 4:56 pm

Re: PGRE April 4 2009 Results

Postby vrg » Mon May 04, 2009 5:04 pm

980 - 95th percentile

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grae313
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Re: PGRE April 4 2009 Results

Postby grae313 » Mon May 04, 2009 7:41 pm

Isn't this going to depend on which form you had, A, B, or C?

Jai_Guru
Posts: 9
Joined: Thu Apr 09, 2009 7:34 pm

Re: PGRE April 4 2009 Results

Postby Jai_Guru » Mon May 04, 2009 7:56 pm

grae313 wrote:Isn't this going to depend on which form you had, A, B, or C?


It could. Probably it's a good Idea to write down the type of exam next to your results if you can remeber it. This way we can solve the controversy about C being harder.

uranium
Posts: 6
Joined: Sat Apr 04, 2009 7:07 pm

Re: PGRE April 4 2009 Results

Postby uranium » Tue May 05, 2009 8:16 am

knowing that 10,000 students in the world take the PGREs every year, how many do you think you'll need to gather a meaningful sample for statistical analysis? You'd also have to keep in mind that people are more willing to report if they have a high score. Finally, whose interest is it in to have this analysis? If there is some strong correlation between difficulty and form numbers, will a student try less on the easier form, and harder on the harder form?

Waste of time..

vrg
Posts: 2
Joined: Mon May 04, 2009 4:56 pm

Re: PGRE April 4 2009 Results

Postby vrg » Wed May 06, 2009 12:32 pm

uranium wrote:knowing that 10,000 students in the world take the PGREs every year, how many do you think you'll need to gather a meaningful sample for statistical analysis? You'd also have to keep in mind that people are more willing to report if they have a high score. Finally, whose interest is it in to have this analysis? If there is some strong correlation between difficulty and form numbers, will a student try less on the easier form, and harder on the harder form?

Waste of time..

What do you care, wise-ass?

Jai_Guru
Posts: 9
Joined: Thu Apr 09, 2009 7:34 pm

Re: PGRE April 4 2009 Results

Postby Jai_Guru » Wed May 06, 2009 1:43 pm

uranium wrote:knowing that 10,000 students in the world take the PGREs every year, how many do you think you'll need to gather a meaningful sample for statistical analysis? ...


61 participants per type of test are needed to sample the whole results space. There are only 61 types of scores ranging from 990 to 390 in steps of 10. A statistical analysis considering the 10,000 students is not necessary because ETS already did it for us :wink: . We only want to gather the results.

By the way, we don't need to sample the whole results space to make the comparison between different types of exams. At least I would be more than satisfied if we compare the difficulty of achieving scores between 990 and 700. We don't even need all consecutive results. We could just interpolate some.

uranium wrote:Finally, whose interest is it in to have this analysis?.

It's mainly curiosity. It's a physicists forum, what do you expect? Not every pursuit of knowledge needs a direct application.
Last edited by Jai_Guru on Wed May 06, 2009 1:59 pm, edited 1 time in total.

matonski
Posts: 121
Joined: Thu Dec 04, 2008 5:03 pm

Re: PGRE April 4 2009 Results

Postby matonski » Wed May 06, 2009 1:53 pm

Exactly. ETS already did the analysis by giving us the percentiles. Thus, if we knew the raw score and corresponding percentile for just a few test takers per test form would be enough to get a good idea. The fact that only people who scored better are more likely to report won't effect anything since the percentiles are already assigned.

matonski
Posts: 121
Joined: Thu Dec 04, 2008 5:03 pm

Re: PGRE April 4 2009 Results

Postby matonski » Sat May 09, 2009 5:29 pm

Got my score report today.
71 - 890 - 86 %

I got 75 correct, 17 incorrect, 7 omits.




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