Lesson 1-Your College Years III. Erickson's Theory of Developmentalstages Stage 3: Preschooler Initiative vs Guilt Begins to initiate, not imitate activities develops conscience and sexual identity. Stage 4: School-age Child Industry vs Inferiority Tries to develop a sense of self-worth by refining skills W BTL E To be continued on the next page.W B T L E Lesson 1 – Your College Years III. Erickson’s Theory of Developmental Stages To be continued on the next page. Stage 3: Preschooler Initiative vs Guilt Begins to initiate, not imitate, activities; develops conscience and sexual identity. Stage 4: School-age Child Industry vs Inferiority Tries to develop a sense of self-worth by refining skills