All competitors at IISPSC must select three events in which to compete, each drawn from a different category.  Detailed descriptions of each event, as well as the judges ballots used are linked here:

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Category 1:

Impromptu Speaking or Extemporaneous Speaking

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Category 2:
Parliamentary Debating or Radio Newscast

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Category 3:

Persuasive Speaking or After Dinner Speaking

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Category 4:

Dramatic Interpretation or Interpretive Reading or Cross-examination Debating

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