Table 2.

The results of the regression and mediation analyses.

Dep. Variable (Y)	Indep. variable (X)	Mediator (M)	Y = β + βxX	M = β + βxX	Y = β + βxX + βMM + ε		ZZobel
			βx	βx	βx	βM
Perceptual map, 1 dim.	Complexity	Arousal ratings	0.734**	0.751**	0.105n.s.	0.839**	3.20**
	Loudness	Arousal ratings	−0.601*	−0.678*	0.039n.s.	0.943**	−2.68**
	Sharpness	Arousal ratings	−0.680*	−0.649*	−0.147n.s.	0.822**	−0.2.51*
	Attack	Arousal ratings	−0.811**	−0.888**	0.016n.s.	0.931**	−4.6*
	Decay	Arousal ratings	0.831**	0.867**	0.143n.s.	0.793*	4.36**
	Valence ratings	–	−0.638*	–	–	–	–
	Arousal ratings	–	0.917**	–	–	–	–

The table shows the effect on the first dimension of the perceptual map by the independent variables along with the results following the causal step method by Baron and Kenny (1986). The final column shows the z-scores from the modified Sobel test.

^*Significant at 0.05-level.

^**Significant at 0.01-level.

^n.s.Non-significant.