________ development refers to changes in how one perceives the world and processes information

Mr. Hendriks, a high school teacher, washes the chalkboard and realigns student desks in precise rows before every class. According to the psychoanalytic perspective, Mr. Hendriks is most likely fixated at the ________ stage.

Fill in the blank(s) with the appropriate word(s).

Discuss the relationship between academic success and SES

What will be an ideal response?