They also cite a different study: In contrast, research with humans suggests that children’s relative familiarity with mirrors, which greatly varies across con

They also cite a different study: In contrast, research with humans suggests that children’s relative familiarity with mirrors, which greatly varies across contexts, does not correlate with the age at which the mark test is passed (Priel & deSchonen, 1986). Priel and deShonen (1986) tested Bedouin nomadic children with no previous mirror experience and compared them to same-age Israeli children familiar with mirrors. They found no significant difference in the developmental onset of MSR between mirror familiar and unfamiliar children.