Psy the developing person text book.1.Discuss the stability of personality traits throughout the life span including a discussion of the “Big Five.” (Chapter 22)4.describe the three types of theories of psychosocial development inlater adulthood: self theories identity theory and stratification theory.(Chapter 25)Below is the teacher common Please use word to upload the file and mla formatThank you.or books (last name year published pg#) for articles (last name year published)and for references see https://owl.english.purdue.edu/owl/resource/560/01/ for the differentways to formally list them per type of publication.