3.2 Source Reliability

Study Time: 1.5 hours Prerequisites: Module 3.1 Learning Objectives:

• Evaluate source credibility quickly
• Identify bias and conflicts of interest
• Distinguish primary from secondary sources
• Recognize red flags in sources
• Make reliability judgments in under 60 seconds

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Introduction

Not all sources are equally reliable. This module teaches rapid source evaluation, a critical skill when fact-checking under time pressure.

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3.2.1 Source Reliability Hierarchy

Tier 1: Highest Reliability

Academic & Official Sources:

• Peer-reviewed journals (Nature, Science, JAMA)
• Government agencies (.gov)
• Universities (.edu) - official pages
• International organizations (WHO, UN, NASA)
• Official statistics bureaus

Why Reliable: Rigorous review processes, accountability, expertise.

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Tier 2: Reputable & Established

Established Media:

• Major newspapers (fact-checking processes)
• News agencies (Reuters, AP, AFP)
• National broadcasters (BBC, NPR, PBS)

Reference Works:

• Encyclopedia Britannica
• Academic publishers (Oxford, Cambridge)
• Professional organizations

Why Reliable: Editorial standards, reputation to protect, corrections published.

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Tier 3: Use With Caution

Specialized Sources:

• Industry publications
• Trade organizations
• Company statements (about their own products/facts)
• Expert blogs (verified credentials)

Why Cautious: Potential bias, but can be reliable for specific information within their domain.

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Tier 4: Generally Unreliable

Avoid for Citations:

• Wikipedia (use their sources instead)
• Social media
• Forums (Reddit, Quora)
• Personal blogs (unknown authors)
• Content farms
• Sites without clear authorship

Why Unreliable: No verification process, no accountability, potential misinformation.

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