Index number is a device, which is designed to measure changes in a variable or group of related variables with respect to time, geographic location or other characteristic, which cannot be measures directly. Index number may be simple or composite. Simple index number is computed to measure a relative change in single variable with respect … Read more

It is quite possible that two or more sets of data may have the same average and yet may differ from each other in other respects. Therefore, measures of central tendency are not sufficient to describe the all characteristic of the data or distribution. Dispersion is the variation or scatterness of individual values from their … Read more

Child labour at the cost of the child's future is now common in the developing and poor countries. There are some reasons of child labour that are given below. The children in the developing countries from poor families cannot study. Their parents cannot afford their school and study expenditures. The poor families are normally very … Read more

Often people speak of two kinds of courage, which is physical and moral courage. Physical courage means readiness to face dangers, to fight against difficulties and to have made a brave struggle.Moral courage is of a higher quality than physical courage. It means courage to speak the truth and to do the right thing without … Read more

Modern life will surely be impossible without electric energy. We need it almost everywhere in our homes, in the shops, in the factories, on the farms, on the roads and in all public places like hospitals and educational institutions. For some years now, we have been trying to solve our electricity problem faced with an … Read more

A civilization is a "highly organized society with complex institutions and attitudes that link a large number of people together." Thus, our modern societies are well organized with complex systems of the police, the army, the civil service, agriculture, business, industry, education, means of communication, telecommunications, the mass media, medicine, engineering, science, commerce, defense arrangements … Read more

Libraries have many uses. It provides different books to a person. These books provide different information to a person. A person gets knowledge at a great extent from it. Sometimes people want to know something in detail then these libraries gives him data in detail because every type of book is provide there. It is … Read more

Games and sports have always been taken as a necessary part of a nation's life. Games were played in olden times as much as they are played today. Outdoor games include football, hockey, cricket, baseball, etc. indoor games includes cards, carom, chess, tennis, etc. some games like badminton can be played inside a building as … Read more

Libraries have many uses. It provides different books to a person. These books provide different information to a person. A person gets knowledge at a great extent from it. Sometimes people want to know something in detail then these libraries gives him data in detail because every type of book is provide there. It is … Read more

Terrorism spreads destructiveness all over the world. Terrorism is a big social evil. It destroys not only man's life also destroy the whole country day by day. It brings destruction in the whole world. Terrorism is not a modern activity. Hundreds of years ago, societies were not as organized as they are today with modern … Read more

The word statistics have been derived from the Latin word status or the Italian word "statista". Both the word means a political state. The word statistic is also found used by Shakespeare and Milton in the same of states men i.e. A person well versed in the affairs of the state. Its originally meant information … Read more

The manners and habits of a person tell a lot about his personality. We often shape our opinion of a person after meeting him and observing his manners. People like person having good and pleasing manners. They like his behavior. Such a person talks, behaves and meets other in a sweet way. He greets other … Read more

Emotions are positive and negative feelings state consisting of a pattern of cognitive physiological and behavioral reactions to events that have relevance to important goals and motives. For example, gloom, delight, love, fear, anger etc. Emotions are responses to external or internal eliciting stimuli. Emotional responses results from, interpretations, or cognitive arousal of these stimuli, … Read more

Coeducation means the education of boys and girls in the same schools, colleges or universities. This is a modern concept and it has made a remarkable rapid progress. It was first introduced in Switzerland. Now it has become popular almost in the whole of Europe and the whole of America. The Eastern companies are also … Read more

The atom is the smallest particle of matter. It is made up of still smaller particles called electrons, protons, neutrons. The main part of the atom lies at its at its center and is called the nucleus. It consists of protons and neutrons. When the nucleus is broken up energy is produced. This breaking up … Read more

In our daily life and in our society, we meet daily many such people who have abnormal behavior and we don't give any importance to them. Here I will describe the historical views about abnormal behavior and in modern psychology. Abnormal behavior, like many of the psychological concepts, described many researches. Abnormal behavior is statistically … Read more