Answer:
participant perceives deviations but unrelated to researcher
Explanation:
In the case when the study is designed in order to evaluate how an employee reaction for interrupt at the time when an employee attempt to answer his or her email. After various interruption, the design should represent that there is a the participant that perceives the deviation but it is not related to the researcher as the changes responses via participants attach with the deviations
Therefore as per the given situation, the above represent the answer