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Abstract
An account is presented of an experiment in which subjects moved a sighting device so as to keep a graticule on a moving target. Both realistic and blank backgrounds for the target were used; and subject performances in the two conditions were compared.
It was found that the blank and structured backgrounds were subjectively apprehended by subjects as providing entirely different types of control problem. Performance was inferior with a blank background; and it is suggested that training simulators for this type of control should always feature as realistic a background as possible.