TrajTracker Experiment is a Python software package for running psychology experiments. It is an extension for the Expyriment framework. It can be used for all kinds of experiments, but is primarily focused on trajectory tracking experiments.

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Technically, TrajTracker Experiment is a set of objects and functions that, in our experience, are useful when creating a trajectory tracking experiments. The idea is to let you program a tracking experiment as quickly and easily as possible. On top of that, TrajTracker Experiment offers some off-the-shelf experimental paradigms, which require merely simple configuration for setting up an experiment.