Sex differences in inspection time with age

Tess Gregory, Ted Nettelbeck, Nick Burns, Vanessa Danthiir, Carlene Wilson, Gary Wittert

    Research output: Contribution to journalArticlepeer-review

    2 Citations (Scopus)


    Inspection time (IT) loads on speediness and correlates with IQ. Sex differences are well established on some tests of speediness but previous research has concluded that males and females have comparable ITs (Burns & Nettelbeck, 2005). This research has, however, predominantly focused on children, university students, and adults in middle age. We tested sex differences for IT measured in two ageing studies (N= 479; 205 females) for people aged 65-89. years. Men and women aged 65-75 had near identical mean ITs; however, sex differences favouring men (effect size d= .37) were found for participants aged 76-89. years. These differences may represent survival effects and have implications for IT as a biomarker of cognitive functioning.

    Original languageEnglish
    Pages (from-to)593-596
    Number of pages4
    JournalPersonality and Individual Differences
    Issue number5
    Publication statusPublished - Apr 2011


    • Inspection time
    • Processing speed
    • Sex differences


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