Ethel has been diagnosed with schizophrenia. When she first started having the symptoms, she didn't take care of her hygiene or want to work on any of her schoolwork or contribute to any chores around the house. At first, her parents thought she was "just being a slacker". However, after exhibiting other psychotic symptoms and based on an evaluation by a psychiatrist, she received the diagnosis of schizophrenia. Which of the following is the term to describe her behavior that her parents describe as "just being a slacker"?