Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Tiered Assessment in Upper-Level Undergraduate Physics   Tiered assessment is a differentiated assessment strategy where students can
choose to attempt advanced assessment tasks. We discuss the use of tiered
assessment in second and third year electromagnetics courses.

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The categories of this paper are: chao-dyn
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The categories of this paper are: acc-phys
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The categories of this paper are: math-ph
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The categories of this paper are: adap-org
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The categories of this paper are: nucl-th
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The categories of this paper are: dg-ga
30
The categories of this paper are: q-alg
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The categories of this paper are: hep-ex
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The categories of this paper are: nucl-ex
6
The categories of this paper are: astro-ph
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The categories of this paper are: chem-ph
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The categories of this paper are: econ
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The categories of this paper are: bayes-an
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The categories of this paper are: ao-sci
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The categories of this paper are: solv-int
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The categories of this paper are: nlin