Early in life, children are not capable of filling out a complete questionnaire or talking to an interviewer.
When it comes to measuring our emotional responses to food items, medical treatment, or works of art, our behavior does not always paint the whole picture.
Patterns in behavior are everywhere around us. Think about the sequence of behavior when you do the laundry, get ready in the morning, play a game of soccer, or drive your car to work.
Controlled conditions and accurate data recording are key in scientific success and a stationary lab provides these controlled conditions while allowing scientists to observe test participants unobtrusively.