?  slide 6

@vocab-term Holds the Canonical Term

<contrib>
  <string-name><surname>Barbara</surname>,  
  <given-names>Johnston</given-names></string-name>
  <role degree-contribution="lead" 
   vocab="CRediT" 
   vocab-identifier="http://dictionary.casrai.org/Contributor_Roles"
   vocab-term="Conceptualization"
   vocab-term-identifier=
     "http://dictionary.casrai.org/Contributor_Roles/Conceptualization" 
  >study designer</role>
</contrib>
 ?