Definition of psychology

The word "psychology" is the combination of two terms - study (ology) and soul (psyche), or mind. The derivation of the word from Latin gives it this clear and obvious meaning:

The study of the soul or mind.

This meaning has been altered over the years until today, this is not what the word means at all. The subject of psychology, as studied in colleges and universities, currently has very little to do with the mind, and absolutely nothing to do with the soul or spirit.

 According to MedicineNet.com it can be defined as: 

 The study of the mind and mental processes, especially in relation to behavior. There are a number of fields of psychology. 

• Clinical psychology is concerned with diagnosing and treating disorders of the brain, emotional disturbances, and behavior problems. 
• Child psychology is the study of the mental and emotional development of children and is part of developmental psychology, the study of changes in behavior that occur through the life span. 
• Cognitive psychology deals with how the human mind receives and interprets impressions and ideas.
• Social psychology looks at how the actions of others influence the behavior of an individual.

This is just an experiment I'd like to share. It's interesting and cute and the same time. Enjoy! 

The marshmallow experiment is a famous test of this concept conducted by Walter Mischel at Stanford University and discussed by Daniel Goleman in his popular work. In the 1960s, a group of four-year olds were given a marshmallow and promised another, only if they could wait 20 minutes before eating the first one. Some children could wait and others could not. The researchers then followed the progress of each child into adolescence, and demonstrated that those with the ability to wait were better adjusted and more dependable (determined via surveys of their parents and teachers), and scored an average of 210 points higher on the Scholastic Aptitude Test.