Cameron suffers from depression. A doctor is likely to give her a medication that increases the availability of __________ in her brain

What is the major disadvantage of the experimental method?

A. Researchers cannot determine correlation from the experimental method. B. Researchers cannot determine causation from the experimental method. C. Many important variables cannot be manipulated. D. Researchers cannot use random assignment in the experimental method.

Research in the field of psychoneuroimmunology has shown that stress is _____ correlated with inflammation and disease

a) not b) positively c) negatively d) very minimally