Replicating in-lab experiments online can ensure scientific progress when physical contact is discouraged, like during the covid-19 pandemic. In this thesis, we replicated the results from Boayue et al. (2021) in-lab Mind Wandering (MW) experiment online. The task uses the Finger-Tapping Random Sequence Generation Task, a sustained attention task, equating MW with Task Unrelated Thoughts (TUTs). In ...