R0021/2026-03-25/Q003/SRC02

Research	R0021 — Prompt engineering definitions
Run	2026-03-25
Query	Q003
Search	S02
Result	S02-R01
Source	SRC02

Anthropic Prompting Best Practices

Source

Field	Value
Title	Prompting best practices — Claude API Docs
Publisher	Anthropic
Author(s)	Anthropic
Date	Current (accessed 2026-03-25)
URL	https://docs.anthropic.com/en/docs/build-with-claude/prompt-engineering/overview
Type	Vendor documentation

Summary

Dimension	Rating
Reliability	High
Relevance	High
Bias: Missing data	Some concerns
Bias: Measurement	N/A
Bias: Selective reporting	Some concerns
Bias: Randomization	N/A — not an RCT
Bias: Protocol deviation	N/A — not an RCT
Bias: COI/Funding	High risk

Rationale

Dimension	Rationale
Reliability	Official vendor documentation.
Relevance	Directly relevant.
Bias flags	Commercial interest in making Claude appear easy to use.

Evidence Extracts

Evidence ID	Summary
SRC02-E01	Anthropic's recommendations: structural (XML tags) but not quantifiable