Be specific
Record observable words, actions, timings and conditions.
Written assignments
Written mystery shoppers complete a realistic customer scenario, then report the interaction against specific questions and standards.
A strong report is factual, specific and easy for an editor or client to understand without having been present.
A useful report
Record observable words, actions, timings and conditions.
Report both standards met and opportunities for improvement.
Make sure the narrative supports the answers and scores you provide.