From: The extent to which the passive voice is used in the scientific journal article, 1985–2015
Series A | ||||
1985 | 1995 | 2005 | 2015 | |
n = 3286 | n = 319 | n = 719 | n = 1143 | |
Act | 24% | 19% | 31% | 44% |
Pass | 30% | 28% | 26% | 25% |
NP | 46% | 52% | 52% | 31% |
Series B | ||||
1985 | 1995 | 2005 | 2015 | |
n = 635 | n = 1330 | n = 508 | n = 911 | |
Act | 19% | 30% | 35% | 28% |
Pass | 29% | 29% | 26% | 31% |
NP | 52% | 41% | 39% | 41% |