A critical period is a phase during which

A) children frequently disobey and resist their parents.
B) children become able to think hypothetically and reason abstractly.
C) parents frequently show impatience with a child's slowness in becoming toilet trained.
D) certain events have a particularly strong impact on development.

Critical Period

A specific time during development when the presence or absence of certain experiences can have profound effects on future neurological and behavioral functioning.

Children Disobey

The act of children not following or adhering to given instructions or rules, often seen as a part of their developmental process.

Toilet Trained

The process by which a young child learns to use the toilet for urination and defecation, a key milestone in early development.