Sublime

observer effect, by which individuals under study modify their behavior because of their awareness of the study.

Dr. Thalia Wheatley, one of the foremost neuroscientists researching how humans connect with one another.

David Barlow. He was (and still is) one of the premiere anxiety researchers on the planet.

essence, we are dealing with disgruntled young people who do unexpected or dangerous things under the social influence of their peers and role models—a.k.a. the common adolescent. And yet, only a small fraction of disgruntled young people stumble into behaviors that are significantly more dangerous than making severe fashion statements or partying

Trivers noted that evolution could create altruists in a species where individuals could remember their prior interactions with other individuals and then limit their current niceness to those who were likely to repay the favor. We humans are obviously just such a species. Trivers proposed that we evolved a set of moral emotions that make us play “

hide. Here’s a handy umbrella of categories, courtesy of evolutionary psychologist Geoffrey Miller: physical attributes, including health, fertility, and beauty; personality traits, such as conscientiousness, agreeableness, and openness to novelty; and cognitive ones, namely general intelligence.

A second explanation is social comparison.

the Big Five traits (neuroticism, extroversion, openness, conscientiousness and agreeableness)