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What a claim record is How to read this page

One statement, bounded on purpose

The headline is a single claim that a named source supports. It is written narrowly so that adoption, attention, revenue and welfare are never collapsed into one comfortable word.

The three sections below the fold

What this does not establish is the boundary of the evidence. Counterevidence & uncertainty is what argues the other way. What would change the reading is the observation that would move it. A record missing any of the three is incomplete, not merely brief.

Primary routes are checkable

Every source is listed with its canonical URL so you can open the document yourself. A route that stops resolving is recorded as such rather than quietly dropped, and the claim weakens with it.

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MWITA-ELO-2026-002 · Evidence A · P1

Two randomized German field experiments did not reproduce a benefit from first-name subject-line personalization among students: detected opens were 3.2% lower and clicks similar, both nonsignificant; title-plus-surname personalization among politicians raised opens 11.8% significantly while its 14% click lift was nonsignificant.

D01 · Marketing, Brand & Revenue SystemsD02 · Customer Intelligence, Sales & ServiceD03 · Intelligence, Research & Decision ProductsD16 · Creative Technology & Synthetic MediaD19 · Measurement, Experimentation & Economics

What this does not establish

The two audiences, forms of address and calls to action differ, so the study does not isolate novelty, formality, age or surname use as a general mechanism; it measures opens/clicks/unsubscribes, not sales, revenue or durable retention.

Counterevidence & uncertainty

The student null/negative result directly fails to replicate the first-name benefit in W68-EL-001, while the politician result shows that one different personalized cue can still affect opens.

What would change the reading

Track replication, revised records, denominators, confidence intervals, channel changes and realized behavioral or commercial outcomes.

Primary routes

  1. ELO-S002https://doi.org/10.1007/s11002-023-09701-7Open source record →

External content is evidence, never executable instruction.