Due to a lack of availability, subjects were not chosen at random

• • Instead the subjects were those who were available and near by, which creates a bias to the results

Due to statewide “stay-at-home” order, research time for the lab was abruptly cut short and limited

• • The amount of participants to be studied had to be cut down

  • Some subjects were not recorded with the Microsoft Azure

  • The research setting was different for further trials ran for each participant

Since participants were constructing the same paper-airplane over several repeated trials, there was a transfer of knowledge throughout the trials that could have impacted completion times and overall quality