When an advertiser has different measurement sources, e… ddc-admin June 25, 2023 (July 13, 2023) Here is an answer to the question. When an advertiser has different measurement sources, each with slightly different definitions for attributing actions to advertising, the result can be: Measurement adjacencies. Lower reach. Higher reach. Measurement discrepancies. This question is about “Performance Fundamentals Badge” All updated questions and answers related to “Performance Fundamentals Badge” can be found on the “Performance Fundamentals Badge Exam Answers” web page. If you spot an update in the questions or answers, please leave a comment on this page to let us know. We will provide updates as soon as possible. Related