Shannon goes to a cognitive therapist that gives her the following assignment: "Next time you have a negative thought, investigate it to determine if it is valid." Based on this description, which therapeutic technique is Shannon’s therapist using?

Reality testing.

Explanation:

Cognitive therapy mainly focus on the attitude and behavior of the individual. This therapy was first developed by psychologists Aaron T. Beck. This therapy is helpful in changing the negative attitude.

The reality testing technique has been used in case of Shannon as the reals world and the relationship has been evaluated by the therapist. His external feeling of negativity has been analysed by the therapist and also tries to reduce the internal negativity of Shannon.

Thus, the answer is reality testing.

fluid balance is an aspect of the homeostasis of organisms in which the amount of water in the organism needs to be controlled, via osmoregulation and behavior, such that the concentrations of electrolytes (salts in solution) in the various body fluids are kept within healthy ranges. the core principle of fluid balance is that the amount of water lost from the body must equal the amount of water taken in.