One day, Alex was driving, and he stopped at the traffic light. During his waiting for the light to turn green, he saw an old lady trying to cross the street and is asking for help from bypassers. Most of the people just walked away and carried on without offering help. However, another person came by and offered to help her.

a) From the scenario above, what are some social behaviours that Alex observed? Describe your answers. 

b) What are the stages of decision to help? What are motivations that makes people help others?