The easiest way to start a test is to make a change in a live campaign and then compare brazil phone number list the results before and after implementing the change. The beauty of this method is that you can quickly test anything in your ad account. The downside is that while setup is very quick, measuring takes more effort and you can't have an apples to apples comparison as the results can be brazil phone number list affected by external factors that change during the before and after periods. .How much data to compare when measuring results, allow enough time to minimize timing factors.
And while I'd love to tell you exactly how long that is, remember that things brazil phone number list are different for every advertiser, industry, etc. But if you want guidance, measure at least a full week before and after to eliminate the impact of weekday performance versus weekend performance. If you are in a vertical where not only the day of the week, but also brazil phone number list the time of the month plays a role, for example, in the automobile, measure a full month before and after the change.
In automotive, the time of the month can impact how aggressive dealers are in pricing as they brazil phone number list try to meet their monthly targets, and consumers' willingness to buy varies depending on when they receive their check. Pay. Auction management change analysis periods specific to bid management, if you're using the before-after technique to measure impact, remember that your lookback window brazil phone number list should be the same as your change frequency. For example, if you change bids every day, you cannot view the last 30