How are science grades composed?

[Jire]

How many percentages is final exam, how many percentages is IA (lab reports), how many percentages is manipulative skills (G4 project)?

Does it work so that if your final exam grade is rounded up to 6, IA to 5, G4 to 5 (however many percents is each of final grade) then you will multiply each by the factor by which it is emphasized? For example final exam grade of 6 is multiplied by 0.70 if it's 70% resulting in 4.2 and to this IA and G4 are added accordingly for example 5*0.1 and 5*0.1 and added to get a final grade of 4.2+0.5+0.5 ~ 5.2 *rounded down to 5* = 5 ?

Or does it more accurate work by using the percentage of maximum points for each assessment type and then ultimately round the grade up or down accordingly?

how does this really work

Thanks in advance

[Emmi]

Your first description of how the grade is awarded is more accurate, but I'll clarify.

The IA is worth 24% of your grade, and the final exam is worth 76% of your grade.

Manipulative skills is separate from the Group 4 project, but both are part of your IA grade. The IA grade is out of 48 marks. You receive up to 12 points for lab design, 12 points from data processing and collection, 12 points for conclusion/evaluation, 6 points for manipulative skills (basically can you pour something into a beaker and not spill it and not set yourself/someone else on fire), and 6 points for group skills (which is the G4 Project). You need to submit at least two labs for each component, but each lab can be marked for multiple components; for example you might only submit two labs that were marked for all criteria while someone else submits four labs: one that was marked in all three criteria, one marked only in design, one only in DCP, and one only in CE.

The final exam has three parts: a multiple choice paper (paper 1), a short-answer paper (paper 2), and a paper where you study two options and then answer questions on those options (paper 3). Paper 1 is worth 20% of your mark, Paper 2 worth 36% of your mark, and Paper 3 worth 20% of your mark. All together that's 76%.

So to determine your grade, the graders will mark all of your papers and give you an IA grade. Then they will multiply your IA grade by 0.24, your paper 1 score by 0.20, your paper 2 score by 0.36, and your paper 3 score by 0.20. Then they will add these four new numbers up and give you an overall score (like for example 75/100 or 80/100, whatever). Then they set that year and time zone (if applicaple)'s mark bands, and whatever band you fall in is your final score, which will be a 1 to a 7.

[The Economist]

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