Smartphones reduce smiles between strangers
作者：
Highlights：
• Strangers smiled less to one another when they had their phones in a waiting room.
• Participants were randomly assigned in pairs to have or not have their phones.
• Smiling behavior was coded by trained researchers blind to hypotheses.
• The effects applied to frequency of Duchenne smiles and to total smiling time.
• This preregistered study shows that phones are altering the fabric of social life.
摘要
•Strangers smiled less to one another when they had their phones in a waiting room.•Participants were randomly assigned in pairs to have or not have their phones.•Smiling behavior was coded by trained researchers blind to hypotheses.•The effects applied to frequency of Duchenne smiles and to total smiling time.•This preregistered study shows that phones are altering the fabric of social life.
论文关键词：Smartphones,Smiling,Nonverbal behavior,Social interactions,Mobile phones,Preregistered replication
论文评审过程：Received 12 June 2018, Revised 12 September 2018, Accepted 17 September 2018, Available online 21 September 2018, Version of Record 24 September 2018.
论文官网地址：https://doi.org/10.1016/j.chb.2018.09.023
