Final answer:
Dr. Spock's parenting methods were criticized as being permissive, which is characterized by nurturing and few demands, possibly leading to self-discipline issues in children.
Step-by-step explanation:
Dr. Benjamin Spock's parenting strategies were criticized for being permissive. Dr. Spock advocated for a more nurturing and flexible approach to parenting, suggesting that parents should not spank their children, hold family meetings for open expression, and recommend that mothers stay at home to care for their children. His advisories aligned with the permissive style of parenting, which involves few demands from parents and is highly nurturing, but this approach can sometimes lead to children lacking self-discipline and struggling academically.