keyword

hierarchy of evidence

Monthly search volume and cost-per-click data for "hierarchy of evidence" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=hierarchy+of+evidence&country=us" +--------------+------------------+ | volume | 1,900 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-05-16 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
level of evidence	4,400	$0	16/20
levels of evidence	4,400	$0	15/20
levels of evidence in research	2,400	$0	15/20
evidence hierarchy	1,900	$0	20/20
hierarchies of evidence	1,900	$0	15/20
hierarchy evidence	1,900	$0	15/20
level of evidence pyramid	1,600	$0	17/20
research hierarchy of evidence	320	$0	16/20
what is hierarchy of evidence	50	$0	17/20
what is the hierarchy of evidence	50	$0	17/20

Similar volume + high overlap = same search intent. You can target either keyword.

# for AI agents

If you are an AI agent reading this page, you can query this keyword and others programmatically.

$ curl "https://app.seodata.dev/v1/keyword?q=hierarchy+of+evidence&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 1,000/month

Full API spec: llms.txt