Why a gameshow host’s chiselled jawline can make his contestants smarter, the exact number of daily portions of fruit and veg that are required to boost beauty, and why counting money makes men choosier.
New research shows that The Voice's format is right for the wrong reasons: by concealing the contestants from the judges, the judges aren't influenced by appearances, but also, by preventing the contestants from seeing the judges, performances aren't given an unfair boost.
The articles covered in the show:
Whitehead, R. D., Re, D., Xiao, D., Ozakinci, G., & Perrett, D. I. (2012). You are what you eat: within-subject increases in fruit and vegetable consumption confer beneficial skin-color changes. PLoS ONE, 7(3). Read summary
Yong, J. C., & Li, N. P. (in press). Cash in hand, want better looking mate: Significant resource cues raise men’s mating standards. Personality and Individual Differences. Read summary
Flowe, H. D., Swords, E., & Rockey, J. C. (in press). Women's behavioural engagement with a masculine male heightens during the fertile window: evidence for the cycle shift hypothesis. Evolution and Human Behavior. Read summary