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The Transition Rate ( TR) is defined as the change in the proportion of choices of the richer option from trial 0 to trial 1 following transition. The matching level ( ML) is defined as the choice proportion at trial 7 following transition, such that ML = 0 for the 50% choice proportion and ML = 1 for the 67.5% proportion (average of 60% and 75%), with a linear continuum between and beyond these values.
