degree-contribution

Degree of Contribution

Indicates the level of contribution for this contributor, such as “Lead” or “Supporting”.

Used on Element: <role>

ValueMeaning
Text, numbers, or special charactersThe degree of contribution, for example, “Lead” or “Equal”.
Restriction@degree-contribution is an optional attribute; there is no default.

Suggested usage

While the values of this attribute are unconstrained, the expected values (particularly useful for CRediT roles) are:
Lead
The contributor was one of the lead contributors.
Supporting
The contributor was one of the supporting contributors, not a lead.
Equal
The contributor was neither a lead nor a supporting contributor, all contributors were equal.

Example

    
...
<contrib-group>
<contrib>
<string-name><given-names>Barbara</given-names> <surname>Johnston</surname></string-name>
<role vocab="CRediT" 
vocab-identifier="http://dictionary.casrai.org/Contributor_Roles"
vocab-term="Conceptualization" 
vocab-term-identifier="http://dictionary.casrai.org/Contributor_Roles/Conceptualization" 
degree-contribution="lead">study designer</role>
</contrib>
<contrib>
<string-name><given-names>Brooke</given-names> <surname>Jackson</surname></string-name>
<role vocab="CRediT" 
vocab-identifier="http://dictionary.casrai.org/Contributor_Roles"
vocab-term="Writing &#8212; Original Draft"
vocab-term-identifier="http://dictionary.casrai.org/Contributor_Roles/Writing_%E2%80%93_original_draft" 
degree-contribution="lead">writer</role>
</contrib>
</contrib-group>
...