Archive | psychology


Debunking the Dunning-Kruger Effect

It might be time to debunk the Dunning-Kruger effect. For those who may not be familiar, in the 1990s Cornell University professors David Dunning and Justin Kruger conducted a now-famous experiment to test whether incompetent people were unaware of their incompetence. In the study, the lowest-scoring participants estimated they did better than 62% of everyone else, while the highest-scoring…

Continue Reading 2

Can Pistachios Help You Sleep?

With about 20% of the U.S. population suffering from sleep disorders, it’s no surprise there’s a wide range of sleep aids – from prescription to over-the-counter to homeopathic. But did you know that eating a small number of pistachios before you go to bed at night might help you sleep? First, some background. Our brains…

Continue Reading 0

A Common Parasite Linked To Entrepreneurism 

Toxoplasma gondii is a common parasite estimated to infect ~10% of the U.S. population and perhaps as many as half in other countries. Few infected people exhibit symptoms, as a healthy person’s immune system usually keeps the parasite from causing illness. However, toxoplasma infection has been linked to a wide variety of outgoing and risk-seeking…

Continue Reading 0

Trust Your Fear Instinct

Most people spend their lives avoiding things that scare them but the key to self-protection might be to trust your fear instinct. Fear is a natural response to physical and emotional danger, based on an evolutionary survival mechanism. The physical response, known as “fight or flight,” includes sweating, increased heart rate, and high adrenaline levels…

Continue Reading 0

The Art of Countersignaling

Not long after I wrote about humblebragging, a reader asked me if humblebragging was an example of countersignaling. My short answer is ‘no’ but it deserves a more nuanced explanation. Signaling is a biological concept in which information is implicitly conveyed to others. Red mushrooms signal to would-be predators that they are poisonous. Peacocks bare…

Continue Reading 1

Negotiated Givers Might Be The Best Employees

While talent, hard work, and passion are important characteristics for high performance, business success is increasingly dependent on how employees interact with others. In a team environment, so-called negotiated givers might be the best employees. In the best-selling book, “Give and Take: A Revolutionary Approach to Success,” Wharton professor Adam Grant describes three different workplace…

Continue Reading 0