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The available algorithms
The UBCPI Tool provides the ability to use different algorithms to determine which of the pre-seeded or submitted student answers are shown after submitting their own answer. Currently, as UBCPI as a work-in-progress we only provide a 'simple' algorithm.
After a student submits their response to the given question (for the first time), they are shown x-number of responses where x is what you set in the settings for the UBCPI Tool.
The Simple Algorithm displays answers from a pool of answers. This pool is initially seeded by the instructor when setting up the UBCPI tool - i.e. there needs to be at least 1 seeded rationale for each possible option. Whenever a student submits a response, their rationale is added to this pool.
After a student submits their response to the given question (for the first time), they are shown x-number of responses where x is what you set in the settings for the UBCPI Tool.
The Random Algorithm displays answers randomly picked from the answer pool, no matter which option it belongs to. The student may get different answers from same option.
UBCPI is a tool developed by the University of British Columbia for EdX