Keyword Analysis & Research: what are extraneous variables in psychology

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
what are extraneous variables in psychology	0.26	0.6	7118	76	43
what	1.84	0.3	3100	98	4
are	1.09	0.4	5123	61	3
extraneous	1.36	1	4377	98	10
variables	1.8	0.6	4798	20	9
in	0.56	0.8	2652	94	2
psychology	0.95	0.8	7660	91	10

Keyword	CPC	PCC	Volume	Score
what are extraneous variables in psychology	0.47	1	5942	13