PSY240H5 Lecture Notes - Lecture 2: Standard Deviation, Psychopathology, Mood Disorder
Document Summary
We are going to be talking about chapter 1 today and our assignment that is going to be due on october 2nd. It is easy to recognize abnormal behavior, but really hard to define. Strange behavior is hard to consider abnormal. Dsm 5 has made the definition broader. The definition of a learning disability in children is a deviation of the norm, in mathematics or language abilities. Dsm 5 has tried to catch more people who are more pathological. Principles used to establish abnormality are: statistical concept, developmental norm, frequency duration and intensity, and behavioral norms. Another word for norm is average statistical concept. How do you determine what average means you calculate the mean. In an ideal objective world, this is how we would determine what abnormal behavior is. Normal behavior is what most people display. The average number of pieces of information you can keep in your mind is 7.
