How do you think the June 4th movement of 1989 will be remembered----as another May 4th 1919, the threshold of a period of general political awakening and turbulence, or instead as a Chinese version of 1848 or 1968 in Europe: a last spontaneous explosion of idealistic revolt, followed by a headlong pursuit of material consumption, and complacent institutional stabilization----the very opposite ...

This paper presents an extensive data-based analysis of the non-profit democratic hospitality exchange service bewelcome.org. We hereby pursuit the goal of determining the factors influencing its growth. It also provides general insights on internet-based hospitality exchange services. The other investigated services are hospitalityclub.org and couchsurfing.org. Communities using the three serv...

We prove that the robber can evade (that is, stay at least unit distance from) at least bn/5.889c cops patroling an n × n continuous square region, that a robber can always evade a single cop patroling a square with side length 4 or larger, and that a single cop on patrol can always capture the robber in a square with side length smaller than 2.189 · · · .

BACKGROUND The hierarchical model of achievement motivation presumes that achievement goals channel the achievement motives of need for achievement and fear of failure towards motivational outcomes. Yet, less is known whether autonomous and controlling reasons underlying the pursuit of achievement goals can serve as additional pathways between achievement motives and outcomes. AIMS We tested ...