Real ChatGPT answer · index seedwmGWTwKKUEIcompleteMarketing and advertising · web analyticscommercial

What is the most effective attribution model for paid search when the buyer journey spans multiple cross-device sessions over ninety days?

ChatGPTgpt-63 queries11/1/2026
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Fan-out diagram

The searches the AI actually ran for this prompt.

SEED QUERY
What is the most effective attribution model for paid search when the buyer journey spans multiple cross-device sessions over ninety days?
3 real searches · 1 real-search pass
Google Ads data-driven attribution cross-device conversion paths lookback window 90 days official documentationGoogle ↗
OBSERVEDInstruction
Google Analytics 4 attribution models data-driven attribution cross-device reporting identity official documentationGoogle ↗
OBSERVEDReason
marketing attribution incrementality experiments paid search attribution limitations multi touch researchGoogle ↗
OBSERVEDReason

Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.

Query classes

Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.

ChatGPT real searches (3)
Short factOther / navigationalComparisonConsequenceReason67%DefinitionInstruction33%Yes / no

Classes come from the query-classifier (a local Laya model). 2 of 3 calls are low-confidence (under 50%) — hover a query in the table to see its confidence.

Searches and sources

ChatGPT3 real searches · gpt-6
Google Ads data-driven attribution cross-device conversion paths lookback window 90 days official documentation Google ↗
Google Analytics 4 attribution models data-driven attribution cross-device reporting identity official documentation Google ↗
marketing attribution incrementality experiments paid search attribution limitations multi touch research Google ↗

Queries

3 queries · click a column to sort
Query / typeSearchIntentQuery classRouting formatClusterFreq ↓Weight
Google Ads data-driven attribution cross-device conversion paths lookback window 90 days official documentation
OBSERVED
Google ↗
AI Mode ↗
—Instruction——1x
of 1
Google Analytics 4 attribution models data-driven attribution cross-device reporting identity official documentation
OBSERVED
Google ↗
AI Mode ↗
—Reason——1x
of 1
marketing attribution incrementality experiments paid search attribution limitations multi touch research
OBSERVED
Google ↗
AI Mode ↗
—Reason——1x
of 1