The Essence of Evidence
What counts as evidence depends partly on the question and the field. Legal testimony, clinical findings, and business records face different standards of relevance and evaluation.
THE IDEA
The Essence of Evidence
Evidence is information used to support or challenge a claim. What qualifies, and how it should be evaluated, depends on the setting. In court, testimony, documents, and physical exhibits must meet rules governing what the fact-finder may consider. In medicine, diagnostic results and research findings inform different questions about diagnosis and treatment.
Managers may draw on customer feedback, financial records, or market data. They still need to identify the claim being assessed, the source of the information, and why it bears on the decision. A strategic goal can shape which question matters without making every convenient observation good evidence.
The supplied passage introduces a proposed classification of evidence but does not include the classification itself.
When to use it
A legal team evaluating whether a piece of testimony meets the standard of admissible evidence.
A physician deciding between treatment options based on the strength of clinical trial evidence.
A business leader using a combination of quantitative data and qualitative insights to make a strategic decision.
A policy analyst integrating evidence from multiple disciplines to recommend a public health intervention.
FROM THEORY TO EVERYDAY LIFE
In practice
Legal vs. Medical Evidence
In a courtroom, a lawyer presents witness testimony and physical exhibits as evidence, while a doctor in a clinical setting relies on diagnostic test results or randomized controlled trials to inform treatment decisions.
Business Evidence
A manager might use market data, customer feedback, and financial reports as evidence, but the interpretation can be shaped by organizational context or strategic goals.
A MOMENT TO REFLECT
Put it to work.
How does the definition of evidence in your own field differ from that in law or medicine?
What are the potential pitfalls of using evidence in decision-making when the concept is not clearly defined?
Can you think of a situation where evidence from one domain was misapplied to another?
CONTINUE THE CONVERSATION
Source texts
- Evidence-Based Decision-Making How to Leverage Available Data and Avoid Cognitive Biases (Andrew D. Banasiewicz)