Research performed in carefully regulated settings where one or more variables are manipulated while others are held constant is called
A. formal experimentation.
B. correlational research.
C. naturalistic observation.
D. a descriptive study.
Answer:A
Research performed in carefully regulated settings where one or more variables are manipulated while others are held constant is called
A. formal experimentation. B. correlational research. C. naturalistic observation. D. a descriptive study.