Exam 312-85 topic 1 question 19 discussion

In a team of threat analysts, two individuals were competing over projecting their own hypotheses on a given malware. However, to find logical proofs to confirm their hypotheses, the threat intelligence manager used a de-biasing strategy that involves learning strategic decision making in the circumstances comprising multistep interactions with numerous representatives, either having or without any perfect relevant information.
Which of the following de-biasing strategies the threat intelligence manager used to confirm their hypotheses?