Aggressive spiders make the wrong decision in a difficult task

Chia-chen Chang, Zhi Yun Lim, Danielle A Klomp, Yusoff Norma-Rashid and Daiqin Li

Behavioral Ecology, 2018, vol. 29, issue 4, 848-854

Abstract: Aggressive individuals are predicted to make fast but error-prone decisions. However, this relationship does not always hold true. When it comes to decision-making in a specialized spider-eating jumping spider Portia labiata, we found that aggressive spiders make faster decisions than docile spiders, regardless of task difficulty. However, accuracy in decision-making depends on both aggressiveness and task difficulty. Aggressive spiders make more accurate decisions in the simple task, while docile spiders make more accurate decisions in the difficult task.

Keywords: jumping spider; personality; speed–accuracy trade-off; task difficulty (search for similar items in EconPapers)
Date: 2018
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