Prolactin and helping in birds: has natural selection strengthened helping behavior?

Helping shrubland birds

Goal gradient in helping behavior

• People are more likely to pitch in as charitable campaigns approach their goals. • Three studies showed evidence of this goal-gradient helping behavior. • Perceived impact and heightened satisfaction explain the late stage contributions. a b s t r a c t a r t i c l e i n f o People are more likely to pitch in as charitable campaigns approach their goals. Such " goal gradient helping " occurs ...

Factors related to Helping Behavior (Case Study: Guilan Welfare Organization)

Abstract Introduction: The aim of this study was to identify the factors affecting the reduction of citizens' helping behavior with the welfare organization. Method: This study was performed by descriptive method and ex-post facto design.  Data were collected from 408 citizens 20 years and older in Guilan province. Samples were selected using multistage cluster sampling method. Measur...

Factors related to Helping Behavior (Case Study: Guilan Welfare Organization)

Abstract Introduction: The aim of this study was to identify the factors affecting the reduction of citizens' helping behavior with the welfare organization. Method: This study was performed by descriptive method and ex-post facto design.  Data were collected from 408 citizens 20 years and older in Guilan province. Samples were selected using multistage cluster sampling method. Measur...

Anxiolytic Treatment Impairs Helping Behavior in Rats

Despite decades of research with humans, the biological mechanisms that motivate an individual to help others remain poorly understood. In order to investigate the roots of pro-sociality in mammals, we established the helping behavior test, a paradigm in which rats are faced with a conspecific trapped in a restrainer that can only be opened from the outside. Over the course of repeated test ses...