| Term 
 
        | Erikson's ego adaptation (definition) |  | Definition 
 
        | the adaptive response of the ego in the development of the personality |  | 
        |  | 
        
        | Term 
 
        | Erikson's basic trust vs. mistrust stage (description) |  | Definition 
 
        | infant realizes that survival and comfort needs will be met; hope is integrated into the personality |  | 
        |  | 
        
        | Term 
 
        | Erikson's autonomy vs. doubt and shame (description) |  | Definition 
 
        | the child realizes that he/she can control bodily functions; self-controlled will is integrated into the personality |  | 
        |  | 
        
        | Term 
 
        | Erikson's initiative vs guilt (description) |  | Definition 
 
        | the child gains social skills and a gender role identity; a sense of purpose is integrated into the personality |  | 
        |  | 
        
        | Term 
 
        | Erikson's industry vs. inferiority (description) |  | Definition 
 
        | the child gains a sense of security through peers and gains mastery over activities of his/her age group; a feeling of competency is integrated into the personality |  | 
        |  | 
        
        | Term 
 
        | Erikson's self-identity vs. role diffusion (description) |  | Definition 
 
        | the teenager begins to make choices about adult roles, and with the resolution of this identity crisis is a sense of fidelity or membership with society is integrated into the personality |  | 
        |  | 
        
        | Term 
 
        | Erikson's intimacy and solidarity vs. isolation (description) |  | Definition 
 
        | the young adult establishes an intimate relationship with a partner and family; the capacity to love is achieved |  | 
        |  | 
        
        | Term 
 
        | Erikson's generativity vs. self-absorption (description) |  | Definition 
 
        | the adult finds security int he contribution of his/her chosen personal/professional roles; the capacity to care is achieved |  | 
        |  | 
        
        | Term 
 
        | Erikson's integrity vs. despair (description) |  | Definition 
 
        | the mature adult reflects on his/her own value, and shares with the younger generation the knowledge gained; wisdom is acquired |  | 
        |  | 
        
        | Term 
 
        | Piaget's reversability (definition) |  | Definition 
 
        | an expansion of conservation, leads to increased spatial awareness |  | 
        |  | 
        
        | Term 
 
        | Piaget's empirico-inductive thinking (definition) |  | Definition 
 
        | the child solves problems with the information that is obvious and present |  | 
        |  | 
        
        | Term 
 
        | Piaget's hypoethetico-deductive thinking (definition) |  | Definition 
 
        | the ability to analyze and plan |  | 
        |  | 
        
        | Term 
 
        | Piaget's seriation (definition) |  | Definition 
 
        | the relationship of one object or classifcation of objects to another |  | 
        |  | 
        
        | Term 
 
        | Development of Play stages and ages |  | Definition 
 
        | Exploratory play (birth to 2 years) 
 Symbolic play (2 to 4 years)
 
 Creative play (4 to 7 years)
 
 Games (7 to 12 years)
 |  | 
        |  |