To Test the Effects of Thirst on Work Motivation,a Company

Multiple Choice

To test the effects of thirst on work motivation,a company permits older workers to use the water cooler but not the younger workers.The experimenter who designed the study watches the workers to decide who appears more motivated.What are two serious flaws in this experiment?​

A) It has neither random assignment nor blind observations.
B) ​It has several independent variables and a falsifiable hypothesis.
C) ​It has neither a hypothesis nor a method.
D) ​It has a falsifiable hypothesis and too few demand characteristics.