Final answer:
The FALSE statement about Freud's oral stage is that conflicts arising during the oral stage have no lasting impact on personality development. Freud actually believed such conflicts can have significant impacts and may result in behaviors indicative of an oral fixation in adulthood.
Step-by-step explanation:
Among the statements about Freud's oral stage, the FALSE one is: D) Freud suggested that conflicts arising during the oral stage have no lasting impact on personality development. According to Sigmund Freud’s theory of psychosexual development, the oral stage is indeed one of the psychosexual stages of development (A), and it typically occurs during the first year of life (B). He also proposed that during the oral stage, pleasure is indeed focused on activities related to the mouth, such as sucking and biting (C). However, Freud believed that conflicts or issues during this stage can indeed have lasting impacts on one’s personality. If these conflicts are not resolved properly, it may result in what Freud called an oral fixation, which can manifest in adulthood as behaviors like smoking, overeating, or nail-biting.