The basis of the rational method of test construction is to come up with items that seem directly, obviously, and logically related to what it is
you wish to measure. The rational method is a simple technique for estimating a design discharge from a small watershed that is design of many small structures
There are four psychological factors that influence consumer behaviour: Motivation, perception, learning, and attitude or belief system. ... Finally, belief systems have the ability to influence all of the above. For example, some people learn best visually.