[Solved] Which type of file is easiest to update? A) Sequential B) Hashed C) Indexed D) Clustered Phallic Stage: The phallic stage is a concept in Freudian psychology referring to the period in early childhood when the libido (sexual energy) is concentrated in the genital area. Erotic Desires: Feelings of wanting or longing for sexual contact or relationships. Compensation: A strategy whereby one makes up for a deficiency in one area by excelling in another area. Alfred Adler: A psychiatrist and psychotherapist who founded the school of individual psychology and introduced concepts such as inferiority complex.