T-test of mean equation
Variables	Hypotheses	T	df	Sig. (bilateral)	Mean difference	S.E.	95% confidence interval of difference
Variables	Hypotheses	T	df	Sig. (bilateral)	Mean difference	S.E.	Lower limits	Upper limits
Suppliers	Equal variance	−3.188	322	0.002	−0.33765	0.10592	−0.54603	−0.12927
Suppliers	Unequal variance	−3.1	254.653	0.002	−0.33765	0.10893	−0.55216	−0.12314
Other visitors	Equal variance	−1.637	322	0.103	−0.18169	0.11099	−0.40004	0.03666
Other visitors	Unequal variance	−1.612	268.439	0.108	−0.18169	0.11268	−0.40354	0.04015
Direct conversations	Equal variance	−1.628	322	0.104	−0.18668	0.11465	−0.41223	0.03886
Direct conversations	Unequal variance	−1.607	270.575	0.109	−0.18668	0.11616	−0.41537	0.042
Observation	Equal variance	−1.856	322	0.064	−0.19998	0.10772	−0.41191	0.01195
Observation	Unequal variance	−1.841	275.546	0.067	−0.19998	0.10863	−0.41382	0.01387
Effect of technology	Equal variance	−1.999	322	0.046	−0.21134	0.10574	−0.41936	−0.00332
Effect of technology	Unequal variance	−2.055	308.589	0.041	−0.21134	0.10284	−0.41369	−0.00899
Effect of market trends	Equal variance	−3.081	322	0.002	−0.32324	0.10491	−0.52964	−0.11685
Effect of market trends	Unequal variance	−3.077	282.619	0.002	−0.32324	0.10507	−0.53006	−0.11643