Why do women earn less money than men? What hinders their advancement into leadership positions? This book compiles the social psychological literature on the influence of gender on perception and action in the workplace in an accessible manner. It provides a practically usable comprehensive insight into current research findings. The knowledge presented should be known by HR professionals and equality officers, and it can be profitably utilized in various situations in everyday work life. The book presents social psychological findings and sheds light on practical issues based on them.