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. Author manuscript; available in PMC: 2018 Nov 1.
Published in final edited form as: Cogn Sci. 2016 Dec 18;41(8):2234–2252. doi: 10.1111/cogs.12467

Figure 2.

Figure 2

Performance of the five different look-ahead horizons when stimulus choice was unconstrained (a) and order-constrained (b) across trials. Each graph shows threshold estimation error (RMSE) as a function of trial number in the experiment. The depth of the horizon had no effect on final error levels in the unconstrained condition, whereas estimates were reduced by up to 2 dB in the constrained condition when the look-ahead horizon was the length of the experiment (100 trials). Precision bands are not included in the graphs because standard errors of the values are infinitesimal due to the large sample size (100,000). RMSE = root mean squared error.