Erikson's stage that occurs between 3 and 6 years of age is ...

[codyclark]

Erikson's stage that occurs between 3 and 6 years of age is called
 
  initiative versus guilt.

Question 2

The preeminent psychosocial accomplishment between the ages of 2 and 6 is
 
  learning when and how to make friends.
  learning when and how to make moral decisions.
  learning when and how to express emotions.
  learning when and how to make decisions.

[johnpizzaz]

Answer to Question 1

initiative versus guilt.
phallic pride versus penis envy.
the preoperational stage.
autonomy versus inferiority.

Answer to Question 2

learning when and how to express emotions.