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This figure illustrates participant randomization and allocation. Participants were randomized to one of four pathways, representing an equivalent to randomizing both the order of DST use and the order of Megacode scenario testing. After they managed the first Megacode scenario, they then managed the remaining scenario with or without the DST, opposite from how they managed the first scenario. [DST = decision support tool; A = Megacode scenario A; B = Megacode scenario B].
