The hypothesis was as follows:

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At the same time, do not forget about force majeure circumstances or external factors. Let us again turn to our example with the arrangement of goods on the store shelves.

If you reorganize the products on the store shelves and place more expensive and high-margin products at the visitor's eye level, and cheaper (less profitable) ones on the very top or bottom shelves, then the expensive products will start to sell better.
For example, if after rearranging the products people started buying a certain, more expensive product from the central shelves, this does not mean that the HADI cycles method has borne fruit.

There is a possibility that this product is, for example, seasonal. And its sales estonia phone number list would have increased sharply even without the experiment due to external factors. The assumption should be checked at least twice.

3. D — Data (Data collection)
The third stage is about collecting data. The information you receive can be both qualitative and quantitative. However, it is better to use visual quantitative data. You should clearly understand how and to what extent a particular metric has changed.

In marketing research, this is fairly simple. For example, you can track the number of views on your ad, conversions before and after the experiment, and so on.


4. I–Insights
The final step is to analyze all the data and summarize the results of the experiment. Here we get the answer to the question: did the hypothesis work or not. Analysts confirm or refute the hypothesis.