Answer:
Circular reasoning
Explanation:
Circular reasoning is also called a circular thinking, Paradoxical thinking, It is a cause and reason. This is a type of reasoning in which proposition has been supported by premises. This reasoning is like a circle that has no start at any end. The information is not being shared. This is like fallacy which is quite often humorous.
To see the effect of one variable on to another variable in ADHD in research is bring manipulated. This is an example of Circular reasoning.