A necessary consideration in the development or expansion of courses incorporating techniques such as geographic information systems (GIS) is the establishment of the infrastructure to support such instruction. Planning for the practical application of knowledge involves the determination of hardware, software, data and personnel needs.
Continuity: the tendency to perceive things as simply as possible with a continuous pattern rather than with a complex, broken-up pattern o Contiguity: the tendency to perceive 2 things that happen close together in time as being related Rods and cones, which one is less or more light/color sensitive?
A habit is a learned behavior that a person repeats so often that he or she begins to do it without even thinking about it. Certain habits can be helpful, like the habit of brushing your teeth before going to bed or buckling your seatbelt when you get into a car.