When studies are based only on observations, the results should be expressed as
A. cause-and-effect relationships.
B. descriptions.
C. principles.
D. theories.
Answer:B
When studies are based only on observations, the results should be expressed as
A. cause-and-effect relationships. B. descriptions. C. principles. D. theories.
Explanation: B) When studies are based only on observations, the results must be expressed as