 These types of juxtapositions hurt the image of the people at issue, yet image plays a big part in shaping attitudes towards a group of people, and in willingness to extend to them opportunities to participate in valued society.The interaction dimension emphasized the importance of high expectancies for people, of opening doors of opportunity and not unnecessarily segregating people especially from models of adaptive behavior.The idea of normalization caught on like wildfire in the mid-1970s in the field of mental retardation, and then spread to other fields.