Can LinkedIn Profiles help recruiters assess personality traits such as Narcissism?

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Recruiters often use LinkedIn profiles to infer traits such as narcissism and intelligence, but the accuracy of these inferences is not well understood. According to Brunswik's lens model, accurate trait inferences depend on the presence of valid cues in LinkedIn profiles and the consistent use of these cues. Researchers assessed narcissism and intelligence in 406 LinkedIn users through self-reports and aptitude tests, analyzing 64 LinkedIn profile cues coded by trained coders. They used a transparent machine learning algorithm (elastic net) and robust resampling techniques (nested cross-validation) to ensure accurate results. Their findings revealed that LinkedIn profiles contain valid information about narcissism (e.g., uploading a background picture) and intelligence (e.g., listing many accomplishments). The elastic net algorithm achieved prediction accuracy (r = .35 for narcissism and r = .41 for intelligence), suggesting that LinkedIn profiles can improve recruiters' accuracy and highlighting the potential and limitations of automated LinkedIn-based assessments.

 


 

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