“…The trend of studying the influence of collaboration on the impact of articles has been widely supported (Katz & Hicks, ; Katz & Martin, ; Kliegl & Bates, ; Tang & Shapira, ; Zhai, Yan, Shibchurn, & Song, ). Recently, Avkiran (), Elena Luna‐Morales (), Glänzel (), González‐Teruel, González‐Alcaide, Barrios, and Abad‐García (), Rousseau (), Rousseau and Ding (), and Van Raan () published findings about the existence or absence of a relationship between collaboration and the impact of articles in several scientific fields.…”