4.5 Article

Human and machine-induced social stress in complex work environments: Effects on performance and subjective state

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APPLIED ERGONOMICS
卷 115, 期 -, 页码 -

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ELSEVIER SCI LTD
DOI: 10.1016/j.apergo.2023.104179

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Social stress; Human-machine interaction; Performance; Negative feedback; Ostracism

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This study compared the effects of human-induced and machine-induced social stress on task performance and subjective state. The results showed that social stress did not directly affect performance, affect, or self-esteem, but human-induced social stress impaired perceived justice.
Social stress at work can lead to severe consequences. As a result of technological developments, social stress will increasingly be induced by machines. It is therefore crucial to understand how machine-induced social stress affects operators. The present study aimed to compare human and machine-induced social stress with regard to its effect on primary and secondary task performance, and on subjective state (e.g., self-esteem, mood and justice). 90 participants worked on a high-fidelity simulation of a complex work environment, on which they had received extensive training (2h15). Social stress was induced by a human or a machine using a combination of negative performance feedback and ostracism. Results indicate that social stress did not affect performance, affect or state self-esteem. Machine-induced and human-induced social stress overall had similar effects, except for the latter impairing perceived justice. We discuss implications of these results for automation at the workplace and outline future research directions.

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