Final answer:
The false statement is that the internal structure of the mind is a universally agreed-upon concept with a single, standardized model across all psychological theories.
Step-by-step explanation:
The false statement about the internal structure of the mind is option C) The internal structure of the mind is a universally agreed-upon concept with a single, standardized model across all psychological theories.
In reality, different psychological theories offer diverse perspectives on the internal organization and functioning of the mind. For example, in Freudian psychoanalytic theory (option A), the mind is divided into conscious, preconscious, and unconscious parts. In cognitive psychology (option B), the mind is conceptualized as consisting of different mental processes like perception, memory, and problem-solving.