Attention deficit disorder is psychological problem and its causes are many children and adolescents long to see disease and some even ting continued into adulthood. In recent years, due to factors such as the environment, education, the incidence of attention deficit disorder (ADD) has increased year by year trend. It is a neuroscience-based obstacle or a neurophysiological genetic disease. ADD is not the result of bad parenting, not wayward children, do not listen to the results and genetic, delayed brain development and social factors (Howell, Huessy & Hassuk, 1985). While most of the children suffering from ADD problems in adulthood, many symptoms will ease, but this will mean that they will have to pay more efforts and overcome more difficulties than children of the same age, in addition to ADD accompanied by many other symptoms, such as mood disorder, impulse control disorder, defiant disorder. Varying degrees of influence a child's growth, capacity, emotional health, interpersonal relationships, and so to the children of the future will bring significant damage.
It always depends upon the nature of the questions that are in any research study. In any research, different types of scales of measurements are such as nominal, ordinal, interval ratio. This type of scale also known as categorical in which the data used for mutual limited variables. If we have to analyze different types of genes of any diseases, so we can use nominal scale by providing a suitable number of these genes. This defines a nominal order. This scale of measurement is using when we the data have given in the form of orders. This type of scale used ascending order help the researchers to obtain accurate results. It is type of scale when the data is in the form of intervals ...