Internet
Contact Frequency				Socializing Frequency
Variable	Change R^2	Block Adjusted R^2	Block F	ß	Change R^2	Block Adjusted R^2	Block F	ß
Step 1
Sex				.11				-.02
CS				.22**				.37***
	.04	.03	2.38		.14***	.13***	8.49***
Step 2
Sex				.16				.04
CS				.24*				.40***
Soc				.20*				.19*
Shy				-.13				-.12
	.07*	.08*	3.30*		.06*	.17*	6.52***
Step 3
Sex				.09				-.01
CS				.19*				.38***
Soc				.09				.16
Shy				-.03				-.08
CI				.56***				.17
SI				-.02				-.01
	.27***	.35***	10.33***		.03	.18***	4.93***
Step 4
Sex				.11				.05
CS				.18*				.33***
Soc				-.05				.03
Shy				-.03				-.06
CI				.12				-.02
SI				-.06				-.07
CF				.51***				.19
SF				.23				.27*
	.13***	.47***	12.84***		.05*	.22***	4.76***

Note. *p < .05. **p < .01. *** p < .001.

Table 4. Summary of Hierarchical Regression Analyses of Sex, Computer Skills, Traditional Social Motives, Intimacy, and Socialization on Internet Social Communication.