Evidence
Terms for Strengths
Evidence
Strengths of Evidence
Weaknesses of Evidence
100

Something that is known and proven to be true

Facts

100

Trusted organization, person etc.

Reliable Source

100

Numbers, percentages, and measurable data

Quantitative Data

100

A source that can be trusted

Reliable Source

100

Involving confusing two separate issues

Conflation

200

Investigation and study of materials and sources

Research

200

Expert in the field

Expertise

200

Asking a group of people questions

Survey Data

200

Knowledge or qualifications a person has in the subject

Expertise

200

Evidence relies on personal stories instead of data

Anecdotal Evidence

300

a quotation from a text or speech

Quote

300

Any mix of expertise,credibility and reliability

Authority

300

Short personal story to illustrate a point

Anecdotal Example

300

A study with many participants

Large Sample Size

300

When a claim is made without any supporting evidence

Assertion with No Backup

400

Verifiable events or details from the past

Historical Facts

400

closely connected to what is being done

Relevant

400

Detailed descriptions rather than numbers

Qualitative evidence

400

Study that is carefully designed and properly conducted

Well-Conducted Study

400

When a source is not provided for information

Sources ot cited

500

A system of rules that a particular country or community recognizes

Laws

500

Formal style of communication

Academic Language

500

Opinions from expert

Expert Opinion

500

When evidence directly relates to the argument being made

Relevant

500

When an example does not apply to the situation or group

Problem with Transferability