General disagreement on How ATAR works (1 Viewer)

[Cloesd]

Reading these threads on "How an ATAR/uai is produced" and even documents from supposed ex-BOS-techies, i notice there's one thing i don't understand.

Does the ATAR work, by taking your INTERNAL rank, and simply giving you a mark in the EXTERNAL exam corresponding to your internal rank and the performance of your cohort. (eg, if you come 50/100 in your cohort, you will roughly get the average mark your cohort got)

In this case could i just work in coming within the top 2-3 in my subjects, and then just slacking off for the HSC getting a average/below average mark but still getting the mark corresponding to the TOP marks my cohort got?


OR....

Does it work, but taking your internal rank, giving you a mark in the external corresponding to the performance of your cohort and your internal rank, BY averaging your external mark, and your internal mark.(eg, You are comming 50/100 in your cohort, for your externals you got the average mark of your cohort, say 50, but your internals you did really well and got 99% (i dunno 50% of the cohort got 99.5) would you get the average of 50 and 99?)



And then there's that thing teachers and stuff say "50% internals, 50% HSC" is that just... a way of saying, i don't want to explain it all NOW, but its an 'alright' approximation of it for now.

 

[youngminii]

Raw external mark = Your actual mark in the HSC tests (you don't get these back)
Raw assessment mark = Your actual mark in school
You pretty much have the rank thing right, so the raw internal mark -> moderated internal mark based on that process
Then, raw external mark + moderated internal mark -> Scaled mark, which then goes on to create your ATAR.
So you're right.. but it only counts for half of it, since the raw external mark is used as literally half of the mark that gets scaled.