The impact of Co-actors on cognitive load: When the mere presence of others makes learning more difficult
作者：
Highlights：
• Group size is a relevant feature of the physical learning environment.
• Group size has a detrimental effect on experienced task difficulty.
• Learner characteristics are relevant predictors of cognitive load.
• Learner characteristics do not interact with group size.
• Experienced task difficulty mediates the effect of group size on mental effort.
摘要
•Group size is a relevant feature of the physical learning environment.•Group size has a detrimental effect on experienced task difficulty.•Learner characteristics are relevant predictors of cognitive load.•Learner characteristics do not interact with group size.•Experienced task difficulty mediates the effect of group size on mental effort.
论文关键词：
论文评审过程：Received 15 December 2018, Revised 18 June 2019, Accepted 30 June 2019, Available online 3 July 2019, Version of Record 13 July 2019.
论文官网地址：https://doi.org/10.1016/j.chb.2019.06.016
