Table 5.

Final authorship matrix

	Ideas	Work	Writing	Stewardship	Net contribution/responsibility (%)
	0.2 (%)	0.3 (%)	0.35 (%)	0.15 (%)
Johnson (graduate student)	5	55	35	0	29.8
Norman (technician)	15	10	5	10	9.3
Jones (post-doc)	25	27	35	10	26.9
Fonda (associate professor)	15	0	5	30	9.3
Peter (professor/guarantor)	40	8	20	50	24.9
Balance check	100	100	100	100	100