For example, if a paper has 4 authors, then any generic way to determine the contribution of 1st author out of 1 and other authors as well.
Yes, the listed order of authors. The first one usually has done all of the work!
It depends on the institution scoring the paper. Some institutions assign the same score to all authors while others assign a value to first author, seconds author, etc.
This is the method followed in universities of South Africa to estimate the contribution for evaluating academic performance. Each article published in indexed journals is assigned a value of 1. Contribution (Called as Unit) is estimated as follows.
1/n where n is total number of authors
Another system is followed in central institutes in India. Each article is assigned a value of 4 points. First author or Supervisor will be allotted 2 points. Contribution of rest of the authors is determined as follows.
2/(n-1) where n is total number of authors
It does depend on the institution. Such criteria are often enshrined in the research and assessment policy of the institution.
Basically, it depends on the legislation of the institution or organization, such as university or faculty/school you are hosted on.
Yes it varies from country to country and the order of authors. In my case as a first author I will get the following points.
1 author- 8 points.
2 authors- 5.67
3 authors -4.0
4 authors -3.2
5 authors - 2.67
For last author, the points are small.
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