R0027/2026-03-26/Q003/SRC04

Research	R0027 — Multilingual prompt engineering challenges
Run	2026-03-26
Query	Q003
Search	S01
Result	S01-R04
Source	SRC04

Google — Gemini Prompt Design Strategies

Source

Field	Value
Title	Prompt design strategies - Gemini API
Publisher	Google
Author(s)	Google
Date	Ongoing
URL	https://ai.google.dev/gemini-api/docs/prompting-strategies
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. Authoritative for Google products.
Relevance	Primary source for assessing Google's multilingual coverage.
Bias flags	High COI. Some features noted as available in Spanish and Portuguese but not broadly multilingual.

Evidence Extracts

Evidence ID	Summary
SRC04-E01	Google guide is primarily English; limited features in Spanish/Portuguese