The instruments used to assess the personalities involved are shown in the “Assessment Tests” figure. The two instruments that have been found to be most useful are the Myers-Briggs type indicator (MBTI) and the Kirton Adapter Innovator instrument (KAI). The MBTI can be used to also calculate both an MBTI based creativity index, and an MBTA-based rainmaker Index. The KAI instrument was found to be less effective on all measures than the MBT I instrument, and created false positives in some cases.