Narrative Structure Entry #0532 Classified Declassified

Why data needs a protagonist to travel

Aggregate evidence persuades less than a single named case, and adding the aggregate to the case can reduce the response rather than strengthen it.

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Plate 35 — one photograph and one table, which do not add.

Intuition test — answer before you read on

Donations are compared for an appeal naming one child, a statistical appeal, and both together. Which raised the least?

An appeal naming one child raises more than an appeal citing millions. Adding the statistic to the named appeal lowers the total. The finding is stable enough to be relied on by every organisation that fundraises, and uncomfortable enough that few of them describe it out loud.

What everyone sees

The intuitive expectation is additive. A moving case plus supporting evidence should beat either alone, since the evidence establishes that the case is representative and the case makes the evidence concrete. Anyone testing both expects the combination to win.

What is actually happening

The two formats recruit different systems. A single identifiable person engages an affective response that scales poorly with number, while statistics engage a deliberative mode that dampens the affective one. Experiments found giving highest for one named individual, lowest for statistics, and reduced for the individual once statistics were attached — the analytical frame appears to suppress the feeling rather than support it.

Why it stays hidden

The mechanism is hidden by the discomfort of stating it. An organisation cannot easily announce that its own evidence reduces giving, and a donor cannot easily accept that their generosity is insensitive to scale. So the finding survives as craft knowledge inside fundraising departments and as an embarrassment everywhere else, which is roughly where it has sat for two decades.

A number describes a population. A person creates an obligation, and only the second one moves people.

A number describes a population. A person creates an obligation, and only the second one moves people.

The hidden part — entry #0532

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A number describes a population. A person creates an obligation, and only the second one moves people.

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Sources & further reading 3
  1. Small, Loewenstein & Slovic, "Sympathy and Callousness: The Impact of Deliberative Thought on Donations to Identifiable and Statistical Victims", Organizational Behavior and Human Decision Processes, 2007
  2. Jenni & Loewenstein, "Explaining the Identifiable Victim Effect", Journal of Risk and Uncertainty, 1997
  3. Slovic, "If I Look at the Mass I Will Never Act: Psychic Numbing and Genocide", Judgment and Decision Making, 2007

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