I cringe a little every time someone talks about creating “one source of truth”.
It happened yesterday at the NASCEE seminar, in a discussion about NED Connect. I heard something similar at Jon Molver’s PULSE event. More troublingly, a government official used almost exactly the same language when talking about COGTA’s National Strategic Hub. I thought I might be overreacting — until the COGTA slide came up. It literally said: “Our single source of truth.”
Each time, my immediate reaction is: Orwellian. Ministry of Truth, anyone? I know, I know — that is probably unfair.
What people probably mean is something much more practical: Can we please agree on which dataset we are using? They are talking about getting away from multiple spreadsheets, competing numbers, inconsistent definitions and records that nobody quite knows whether to trust. I am completely sympathetic to that problem.
People use words without necessarily thinking through everything they imply. I certainly do. But in the intellectual tradition in which I work, words like truth, evidence, validity and objectivity are triggers. We have spent rather a lot of time arguing about what they mean. So I cannot quite hear “one source of truth” innocently.
A small philosophy-of-science detour
There is a much longer investigation here about my own worldview that I am not going to inflict on you now. The footnote version is this: I also twitch when somebody says “science has proved that…”. In the Popperian tradition I was taught, science is not really in the business of proving things true. It advances by making claims that can, in principle, be shown to be wrong. Theories that survive repeated attempts to falsify them become more credible, but they do not become sacred. That little distinction probably explains quite a lot about why “one source of truth” bothers me.
Science becomes trustworthy not because nobody can challenge it, but because people can. It becomes trustworthy because people can challenge it.
When a data system is described as the source of truth, I hear something rather more final than I suspect the speaker intends.
And then there is power
This is where my evaluator brain kicks in. Robert Picciotto puts it rather starkly:
“Evaluation is not value-free. It is steeped in politics.”
He also asks whose goals matter, which values are being used to judge merit and worth, and who gains or loses from the methods we choose. Those questions travel quite easily into the world of data systems.
Who decided the categories? What becomes easy to see because it fits them? What becomes harder to see because it does not? Which questions was the system designed to answer in the first place? Every database has to make choices like this. The difficulty comes when the choices disappear from view.
If we map an ecosystem, for example, we may decide to classify organisations by geography, programme area, funding, reach or organisational type. Those may be entirely sensible choices. But over time the structure we designed can start to feel like the natural structure of the sector itself. What is easy to count becomes easier to discuss, and what does not fit neatly into the categories can fade into the background. Perhaps this is where the rather grand word hegemony becomes useful. One way of seeing the world can become so familiar that we stop noticing it is only one way of seeing.
The danger is that one representation of reality acquires the authority of reality itself. That is the bit that makes me nervous about the word truth.
This is hardly a new anxiety. In African evaluation, the Made in Africa Evaluation movement has been asking related questions for years about whose knowledge counts, whose categories shape the field, and what happens when one knowledge tradition comes to look universal. Zenda Ofir and Adeline Sibanda’s chapter, Made in Africa Evaluation: Decolonizing the Past, Present, and Future, is a useful entry point.
Somebody still has to make sense of it
There is another reason I am reluctant to hand truth over to the database: Data do not interpret themselves.
Even a very good system still needs someone who understands where the information came from, what the measures can actually tell us, and where apparently comparable numbers are not quite comparable after all. Context matters too. A pattern in a dashboard may be significant. It may also be an artefact of how something was classified, when the data were collected, or who reported it.
The interesting work starts once the data have been assembled. Somebody has to move between the numbers and the real world they are supposed to describe. Somebody has to turn information into a useful account without making it sound more certain than it is.
This is one reason I am not especially worried that dashboards, integrated platforms or AI are going to put evaluators out of work. They may change the work considerably. I hope they do.
If evaluators remain useful, I suspect it will be because we are comfortable occupying that slightly uncomfortable space between evidence and decision-making. We know enough about methods to be cautious about what a number can actually tell us, and enough about context to know when the number is probably not telling the whole story.
And, ideally, we can explain what we see in a way that somebody else can understand.
So who should do the sensemaking?
This is where I make the case for having people around who understand more than the mechanics of data.
You probably want someone who understands the data itself, certainly. But I also want someone who has thought a little about how knowledge gets made, how we decide whether a claim is credible, and when we may be claiming more than the evidence supports.
That may be an evaluator. It may be a researcher, an analyst or somebody else entirely. The label matters less to me than the way of thinking.
Can this person work carefully with evidence without ignoring uncertainty? Can they notice when a clean representation has left something important out or when it is oversimplifying? That is the kind of sensemaking I want sitting next to a powerful data system.
Truth, Beauty and Justice
This brings me back to Ernest House and one of my favourite ideas in evaluation: Truth, Beauty and Justice. I like the formulation because it gives me a much better way to think about what good sensemaking should aspire to.
Truth asks whether the claims we are making can be defended.
Beauty is about whether we can make sense of the evidence and communicate it in a way that helps people see something more clearly.
Justice makes us pay attention to whose experience is represented in that account, and whose may have been left out.
That is probably where I land on all of this. I want the good database. I want the messy spreadsheets sorted out. I want shared definitions and better systems. I just do not want the system itself to become the truth.
Give me good data, and then give me someone who understands what it can and cannot tell us. Make sure they appreciate what it means to make a claim about truth. Can they also please have the ability to translate the evidence beautifully and care about justice?
Evaluators may not be out of a job just yet. (At least, not if that is the job we think we are here to do).
Photo by Abdul Ahad Sheikh on Unsplash