Dr. Harmon expected that her neurotic patients would come significantly earlier to all scheduled appointments compared to other patients, and planned to run a one-tailed test to see if their arrival times were much earlier. Unfortunately, she found the opposite result: the neurotic patients came to appointments later than other patients. What can Dr. Harmon conclude from her one-tailed test?
a. Neurotic patients came to appointments significantly later than other patients.
b. Neurotic patients came to appointments significantly earlier than other patients.
c. Non-neurotic patients came to appointments significantly earlier than neurotic patients.
d. Neurotic patients did not come to appointments significantly earlier than other patients.
D
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