Psychology is the scientific study of human and animal behavior and the mental process. Their are various major areas of psychology which are Development psychology, Cognitive psychology, Social psychology, and Behavioral psychology both classical and operant conditioning. Development psychology is the study or research that mostly focus on or concern infants, children or adolescents thoughts and behavioral process across a life span. It studies the way in which people change and grow over the course of their lives. Developmental milestones explore how children play, learn, speak and acts by an certain age. For example, a baby at two months old development milestones for social and emotional are smiling at people tries to look at parents, calm him or herself down by …show more content…
The social and emotional development milestones in a four year old are enjoys doing new thing, Is more and more creative with make-believe play, Talks about what she or he likes and what they is interested in. language and communication development milestones are basic and correct use of grammar, such as he and she, Can say first and last name, Tells stories and sing songs such as “Itsy Bitsy Spider”. Cognitive developments are starting to copy some capital letters, Names some colors and some numbers, and Remembers parts of a story. Movement and physical development are Catches a bounced ball most of the time, Hops and stands on one foot up to 2 seconds, and mashes his or her own food. Development psychology helps us to determine if there are any developmental disabilities in the child as they progress to the next stages of their life. This study of psychology can help prevent or improve developmental disabilities in the child. Cognitive psychology is the study of how human learn, think, and