The lesson of these experiments is not that people are shortsighted or shallow but that their preferences aren't consistent over time.
这些实验告诉我们的不是人类如何目光短浅或者肤浅，而是他们的偏好不在时间中保持一致。
2
Personalization and customization are forms of co-creation because they require the site user to invest some time to report their preferences for the type of service they'll receive.
As the researchers suspected, women and men with the same levels of testosterone generally switched at the same time, demonstrating similar risk preferences.