Keyword Analysis & Research: what is self selection bias

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
what is self selection bias	0.14	0.5	4468	66	27
what	0.28	1	8291	77	4
is	0.57	0.8	6360	14	2
self	1.86	0.7	314	87	4
selection	1.2	0.1	5704	56	9
bias	1.81	0.9	6858	83	4

Keyword	CPC	PCC	Volume	Score
what is self selection bias	1.04	0.9	3794	80