CLICK-FRAUD PROTECTION — VALUE EVALUATION

One problem the protection must solve:
Primary business outcome and definition:
Measurement, lead acceptance and qualification already verified:

SCOPE AND ASSIGNMENT
Accounts / campaigns / sites / channels in scope:
Eligibility and assignment unit:
Control condition and protected condition:
How treatment stays out of the control:
Account-level exclusion lists affecting both arms:
Site-wide rules, shared audiences and cross-campaign identity effects:
If isolation is unavailable, comparison limitations to report:
Other changes held steady / unavoidable changes recorded:
Start / end / account timezone:
Conversion and business-qualification follow-up cutoff:
Predefined sample/duration, stop conditions and decision rule:
Owner, legitimate-visitor exception path and rollback:

EVIDENCE (keep each stage separate)
Observed visit and review reason:
Protection decision:
Website action, if applicable:
Platform exclusion request / synchronization status / scope:
Native invalid-traffic reporting:
Verified invoice adjustment mapped to the original charge period:
Accepted / qualified / closed business outcomes:
Legitimate customers affected and resolution:

COST INPUTS PER ARM, FOR THE SAME ALLOCATED SCOPE
Currency and FX policy if needed (the demo does not convert currency):
Contribution from realized customers after product/fulfilment/refund costs,
but before ads, tool fees and review costs:
Gross ad charges:
Verified credits belonging to those selected charges:
Net ad cost (gross minus verified credits; do not subtract credits again):
Tool/license fee, allocated under a rule chosen before the comparison:
Implementation and review time cost, allocated consistently:
Unresolved refunds / sales / credits and sensitivity range:
Flagged-spend estimate (record separately; not booked savings):

DECISION
Observed net contribution for control / protected:
Observed difference, with uncertainty and contamination limits:
Evidence supporting causal interpretation, if any:
Enough evidence to continue / revise / stop / remain inconclusive:
Next review date and owner:

Do not paste customer records into shared notes.
A positive arithmetic difference alone is not an experiment result.