Keyword Analysis & Research: example of a threat to external validity

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
example of a threat to external validity	0.63	0.7	5799	57	40
example	0.27	1	2408	22	7
of	0.38	0.2	156	77	2
a	0.18	0.5	3921	66	1
threat	0.19	0.9	4636	75	6
to	1.51	0.4	7237	7	2
external	1.64	0.3	8239	83	8
validity	0.51	0.3	9637	52	8

Keyword	CPC	PCC	Volume	Score
example of a threat to external validity	0.71	0.3	9576	49