Lifespan Development

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The definition of 'lifespan development' or 'lifespan psychology' is implicit in the term itself. Lifespan developmental psychology or lifespan psychology deals with the study of individual development from conception into old age. This definition implies the notion that some individual progresses through various developmental stages or phases throughout his or her lifetime. The theories that present the development of an individual in stages is known as stage theories. In analyzing the stages of an individual's lifespan, many theories have been posited by a number of psychologists who have studied particular aspects of the lifespan. Some of these theorists are Jean Piaget, who posited the cognitive developmental theory. During the 20th century, …show more content…

They may or may not cry when the caregiver leaves the room, and later when she returns, the babies actively seek contact with her, stop crying quickly, and soon return to previous activities. Another group of infants, based on Ainsworth's test, displayed insecure/avoidant attachment. These infants do not cry when caregivers leave the room and react in much the same way to strangers as to their caregivers. They do not usually reestablish connection on her return. If contact is established, the infant usually leans or looks away. A third group of infants displays a pattern described as insecure/ambivalent attachment. These babies usually cling to the caregiver and then resist her by fighting against the closeness. In the research, these infants often cling anxiously to the caregiver, cry loudly when she leaves, and push away if she tries to comfort them on her return. The final group of babies was described as having insecure/disorganized attachment. These babies were shown to be disorganized and disoriented. They may also appear dazed, confused and fearful. Early attachment to a caregiver is important and relates to a child's social behavior in later development. In one study it was found that early secure attachment (occurring between 12 and 18 months) was linked with positive emotional health, high self-esteem, self-confidence and socially competent interactions with peers, teachers, and romantic partners through adolescence. According to Santrock (2008), "consistently positive parenting over a number of years is likely an important factor in connecting early attachment and the child's functioning later in

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