fix: sample learn_to_choose blocks Sequential for clean alternation#560
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galenlynch wants to merge 1 commit into
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fix: sample learn_to_choose blocks Sequential for clean alternation#560galenlynch wants to merge 1 commit into
galenlynch wants to merge 1 commit into
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learn_to_choose has only two blocks, (0.9, 0.1) and (0.1, 0.9). Random sampling could draw the same reward configuration twice in a row, whereas the stage is meant to alternate A-rich <-> B-rich. Switch to Sequential so the reversal order is deterministic; block length stays random (block_length_exp_mean) so the animal still can't anticipate the timing. The probability_grid_* stages keep Random (random walk over 13 blocks). Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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learn_to_choose has only two blocks, (0.9, 0.1) and (0.1, 0.9). Random sampling could draw the same reward configuration twice in a row, whereas the stage is meant to alternate A-rich <-> B-rich. Switch to Sequential so the reversal order is deterministic; block length stays random (block_length_exp_mean) so the animal still can't anticipate the timing. The probability_grid_* stages keep Random (random walk over 13 blocks).