An Art Therapist Conducts Correlational Research by Reviewing Data on the Drawing

An art therapist conducts correlational research by reviewing data on the drawing preferences of people who are in early stage Alzheimer's disease. Which of the following is a positive correlation that her study could identify?

A) There are more patients in early stage Alzheimer's disease who draw images of labyrinths than any other kind of spontaneous image.
B) Fewer patients in early stage Alzheimer's disease draw images of labyrinths after art therapy treatment than before art therapy treatment.
C) More patients in early stage Alzheimer's disease draw images of labyrinths than patients in later stages of Alzheimer's.
D) There was no relation between the preference for drawing labyrinths and the number of patients in early stage Alzheimer's disease.