When developing an experiment intended to test Performance Max campaigns,whichbest practice should be followed?

The correct answer is Setting the Performance Max CPA or RO AS target to a level comparable to other campaigns.When conducting experiments to test Performance Max campaigns,it's essential to establish a fair comparison by setting the target CPA(Cost Per Acquisition)orROAS(Return on Ad Spend)at a level similar to that of existing campaigns.This ensures that the experiment accurately reflects the performance of Performance Max campaigns relative to other advertising strategies.By aligning the target metrics,marketers can evaluate the effectiveness and efficiency of Performance Max campaigns in achieving the desired outcomes within the same budget constraints and business objectives as other campaigns.Additionally, comparable targets facilitate a meaningful comparison of results,enabling marketers to make data-driven decisions about the optimal allocation of resources and the adoption of A I-driven solutions based on performance insights derived from the experiment. Overall,setting the Performance Max CPA or RO AS target inline with existing campaigns'performance metrics is a crucial best practice to ensure the validity and relevance of experiment results in informing strategic decision-making and maximizing advertising effectiveness.