Abstract
In psychological experiments, researchers’ primary interests often gravitate toward group-level parameters, such as the mean difference between experimental conditions. However, existing studies on adaptive stimulus selection have essentially focused on individual-level parameters. Hence, the present study investigated the effect of adaptive stimulus selection on group-level parameters. Two simulation studies indicated that the individual-level adaptive stimulus selection led to higher estimation precision of group-level parameters than random stimulus selection on elaborated decision-making models. Based on these results, it is suggested that individual-level adaptive stimulus selection methods be adopted even cases where the research interest leans toward group-level parameters.
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