Modeling and evaluation of decision-making dynamics in sequential two-alternative forced choice tasks

The focus of the work in this paper is the evaluation of a model of human decision making relative to experimental data. In sequential two-alternative forced choice decision tasks, a human subject is presented with two alternative choices at every time step, and the human gets a reward (presented as a number on the screen) after a choice is made. The goal for the human is to obtain the maximal reward. This type of experiment is carried out by cognitive scientists and psychologists in order to study human behaviors in decision making. In this work, we present a simple idealized model for human decision-making with several extensions, and we discuss evaluation of the model using experimental data from human subjects.