A$($n$)\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$ is where different versions of a product are offered to customers at the same time. By observing changes in behavior between the two groups, one can make inferences about the impact of the different variations. For example, a company that sends customers a catalog of products could send a new version of the catalog to $50\%$ of customers and the old catalog to the other $50\%.$

Group of answer choices

Customer segmentation test

$$Shot in the dark$$ test

Split$-$test experiment

Beta test