The effects of psychological distance on abstraction: Two meta-analyses
Psychological Bulletin (2015) - Comment
pubmed: 25420220  doi: 10.1037/bul0000005  issn: 1939-1455  issn: 0033-2909 

Courtney K. Soderberg, Shannon P. Callahan, Annie O. Kochersberger, Elinor Amit, Alison Ledgerwood