Rhetorical Appeals
Logos: Data and Evidence

Support arguments with concrete statistics, research findings, and measurable facts.

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What it is

A rhetorical appeal that uses factual evidence, statistics, and logical proof to support arguments. Effective logos includes specific numbers, credible sources, and clear methodology to build rational conviction.

Before & after

Before

“Studies show this works better.”

After

“A/B testing with 50,000 users showed the new design increased conversions by 23% with 99% statistical confidence.”

When you’ll use it

Business cases and ROI justifications

Performance reviews with quantified achievements

Research presentations and data analysis

Sales presentations requiring proof of value

Pro tip

Use specific numbers, sample sizes, and confidence levels when citing data.

Questions & answers

3 questions

What is logos through data and evidence in presentations?

Logos through data and evidence uses factual information, statistics, research findings, and meas...

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How do I present data effectively in business presentations?

Use credible sources, choose relevant metrics, visualize data clearly, explain significance and c...

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What makes data and evidence credible to business audiences?

Credible data comes from reputable sources, includes recent information, uses appropriate sample ...

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Learn more

Wikipedia
Presentation Training Institute - Use Data and Statistics in Presentations

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