It is True you don't need to vote
There language and religon
Answer:Hierarchical diffusion is the spread of an idea or innovation from persons or places of power or authority. ... Contagious diffusion is the rapid spread of an idea or innovation throughout an entire population.
Explanation:
As the experiment requires collecting qualitative data rather than quantitative data, there may be a way of conducting this experiment without the use of a control. Not all experiments require a control and in this case it may be the most appropriate way of collecting the data.
