Ask who the survey could reach and who actually answered
Define the target population before treating respondents as the voice of the whole market.
Read the lesson →THE CREATIVE FIELDBOOK / SNS MEDIA TECH
Practical lessons
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Ask what makes the marketing-mix estimate believable
Review causal assumptions, calibration relevance and stability alongside model fit.
Read the lesson →Make the forecast beat a simple alternative on unseen periods
Evaluate the horizon and information available at the actual planning decision.
Read the lesson →Check the published page, not only the approved draft
Use a release checklist that catches differences introduced by templates, uploads and deployment.
Read the lesson →Make comparison tables understandable cell by cell
Preserve the relationship between values, row labels and column labels instead of relying on a screenshot or visual alignment.
Read the lesson →Find what delays the useful part of the page
Connect a visible loading problem to specific resources and rendering behavior before compressing every asset indiscriminately.
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