Which of the following statements is true regarding authorship practices?

Question

Question: Which of the following statements is true regarding authorship practices?

Options:

1.  In scientific fields, authors must be listed in alphabetical order.
2.  Both within and between disciplines, practices differ with regard to who should be included as an author, and in what order they should be listed.
3.  Journals do not permit a graduate student to be listed as the first author.
4.  In scientific fields, authors have to be listed in order of seniority.

Answer 1

2. Both within and between disciplines, practices differ with regard to who should be included as an author, and in what order they should be listed.

'Both within and between disciplines, practices differ with regard to who should be included as an author, and in what order they should be listed' is  true  regarding authorship practices.