Leiden Psychology Blog

Should Obama express anger or disappointment?

President Obama’s plan to expand background checks on gun buyers was rejected last month by the Senate. Should Obama have communicated anger, or disappointment to influence Republicans’ voting behavior? Some insights derived from negotiation research.

Gert-Jan Lelieveld • 08-05-2013

Should a company’s social activities be consistent with its corporate goal?

Just recently, Coca-Cola started a media campaign to make consumers aware of the importance to keep a balance between calorie intake and calorie consumption. But how consistent is this?

Gerdien de Vries • 25-04-2013

Brain scars

Abuse or neglect as a child may lead to the development of anxiety or depression related symptoms years later. Are traces of childhood adversities also visible in our brain? And if so, what does this mean?

Bernet Elzinga • 16-04-2013

Cannabis use: doorway to creativity or to delusions?

Cannabis is the most commonly used illicit drug in the world and it has been used for centuries. Many acclaimed artists from a variety of disciplines, maintain its usefulness in the enhancement of creativity. However, is there any truth in their claims?

Meriem Manaï • 10-04-2013

About polite Moroccans and rude Dutch

You may think that honor and aggression are closely linked. In this contribution I will paint a more nuanced picture, and show that honor is also linked to politeness and constructive conflict management.

Fieke Harinck • 08-04-2013