Table 6.

Correlations between the variables (r-Pearson's).

	Arousal	Dominance	Origin	Significance	Concreteness	Imageability	Subjective age of acquisition	LN of frequency (subtlex_pl)	LN of frequency (Kazojć, 2011)	Number of letters
Valence	–0.464**	0.693**	0.080**	0.163**	–0.078**	0.126**	–0.224**	0.126**	0.136**	–0.069**
Arousal		–0.135**	–0.460**	0.378**	0.378**	–0.176**	0.175**	0.055**	0.000	0.204**
Dominance			0.256**	0.224**	0.021	0.017	–0.081**	0.118**	0.119**	–0.048**
Origin				–0.272**	–0.299**	0.018	0.024	–0.021	–0.029*	–0.108**
Significance					0.685**	–0.448**	–0.043**	0.281**	0.252**	0.263**
Concreteness						–0.800**	0.287**	0.002	0.001	0.390**
Imageability							–0.515**	0.127**	0.133**	–0.324**
Subjective age of acquisition								–0.449**	–0.438**	0.310**
LN of frequency (subtlex_pl)									0.908**	–0.072**
LN of frequency, (Kazojć, 2011)										–0.097**

Gray cells indicate quadratic relationship between measures rather than linear (higher R² explained by quadratic function and significant R²change). For further information see Figure 4 and Figure 5 in Appendix 2 in Supplementary Material. LN, natural logarithm.

^* p < 0.05;

^**p < 0.001.