Table 1.4: Summary of the Major Current Theories in Lifespan Development
Nature vs. Nurture Emphasis and Ages of InterestRepresentative Questions
BehaviorismNurture (all ages)What reinforcers are shaping this behavior? Who is this person modeling? How can I stimulate self-efficacy?
Psychoanalytic theoryNurtureWhat unconscious motives, stemming from early childhood, are motivating this person?
Attachment theoryNature and nurture (infancy but also all ages)How does the attachment response unfold in infancy? What conditions evoke this biologically programmed response at every life stage?
Evolutionary theoryNature (all ages)How might this behavior be built into the human genetic code?
Behavioral geneticsNature (all ages)To what degree are the differences I see in people due to genetics?
Erikson’s theory(all ages)Is this baby experiencing basic trust? Where is this teenager in terms of identity? Has this middle-aged person reached generativity?
Piaget’s theoryChildrenHow does this child understand the world? What is his thinking like?

Table 1.4

Belsky, Experiencing The Lifespan, 4e © 2016 Worth Publishers