Keyword Analysis & Research: when was the first lie detector built

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
when was the first lie detector built	0.21	0.2	976	34	37
when	0.05	0.7	839	33	4
was	0.51	0.2	3075	58	3
the	0.05	0.9	4469	18	3
first	1.51	0.1	9309	79	5
lie	0.4	1	4365	34	3
detector	1.24	0.5	3616	49	8
built	0.89	0.9	8679	28	5

Keyword	CPC	PCC	Volume	Score
when was the first lie detector built	0.48	0.2	4629	64