Table 3.

Correlation coefficients and squared multiple correlation coefficient predicting the internet addiction on the basis of personality characteristics

Model		Multiple correlation coefficient (r)	Squared multiple correlation coefficient (R2)	F	P
Step by step	First stage	0.68	0.46	452.40	0.001
	Second stage	0.70	0.49	260.10	0.001
	Third stage	0.71	0.50	13.18	0.001