Keyword Analysis & Research: what does a direct effect mean

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
what does a direct effect mean	1.85	0.5	9602	95	30
what	1.11	0.3	3253	71	4
does	1.43	1	6786	6	4
a	1.24	1	2929	48	1
direct	0.32	0.3	7692	66	6
effect	0.04	0.2	4451	85	6
mean	1.63	0.9	3688	54	4

Keyword	CPC	PCC	Volume	Score
what does a direct effect mean	0.04	0.4	6444	81