Why is research important? What are careful, systematic observations conducting scientifically better at capturing reality than the casual observations we make every day? What challenges do psychologists face that other scientists do not? In what ways do different types of psychologists face different challenges? What type of research technique do you think is the best method for answering the questions that most of us have about psychological phenomena? Why do you think this technique is best?

Urban growth invariably feeds increased commercialization and industrialization. it requires continually expanding land areas. when urbanization rates are high, and countries do not have the institutional and managerial capacities or economic wherewithal to manage such rapid growths, they exert intense pressure on the types and nature of the resulting settlements. they contribute to the development of overcrowded slums and shanty towns without adequate essential services and necessary infrastructure.-by asit k. biswas and cecilia tortajada