Abstract
ABSTRACT Research has established that contextual information has the potential to influence the decisions of examiners in various forensic domains, including forensic anthropology. Studies have demonstrated that the non-metric sex estimation methods are susceptible to issues of cognitive bias, however the different types of stimuli that can influence the decision-making process remain understudied. As forensic anthropologists will examine multiple skeletal elements to estimate the sex of skeletal remains, a pilot study was designed to assess the potential of cognitive bias resulting from the order of examination. Two groups performed a non-metric sex estimation of the innominates and the skull with methods from Standards on one individual complete skeleton. Group A examined the skull first followed by the innominates, while Group B examined the innominates first followed by the skull. Results reveal a significant difference between the two groups in the sex estimation of the innominates and the complete skeleton (p = 0.020 and p = 0.022, respectively). This research demonstrates that order of examination for sex estimation may act as context and potentially influence the subsequent analyses. Additional research is necessary to broaden the understanding of decision-making and aid in the establishment of standard operating procedures designed to mitigate the potential effects of cognitive bias.
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