TABLE 4.

The results of the Kruskal–Wallis test on general sensitivity (HSPS scores) and HSPS subscales: Emotional Reactivity, Sensing the Subtle, and Overstimulation.

Sample 1–Sample 2	n	K–W test	Error standardized	Standardized K–W test	p	η2	Effect size*
HSPS scores
Dandelions–Tulips	339	–161.139	17.421	–9.250	<0.001	0.55	Large
Dandelions–Orchids	284	–358.599	18.255	–19.644	<0.001	0.70	Large
Tulips–Orchids	409	197.460	14.878	13.272	<0.001	0.66	Large
Emotional reactivity
Dandelions–Tulips	339	–170.148	17.416	–9.769	<0.001	0.45	Large
Dandelions–Orchids	284	–309.628	18.250	–16.966	<0.001	0.67	Large
Tulips–Orchids	409	139.481	14.874	9.378	<0.001	0.31	Large
Sensing the subtle
Dandelions–Tulips	339	3.712	17.381	0.214	0.831	0.00	–
Dandelions–Orchids	284	106.117	14.844	7.149	<0.001	0.10	Medium
Tulips–Orchids	409	–102.404	18.214	–5.622	<0.001	0.13	Medium
Overstimulation
Dandelions–Tulips	339	–156.009	17.409	–8.962	<0.001	0.48	Large
Dandelions–Orchids	284	–345.066	18.242	–18.916	<0.001	0.70	Large
Tulips–Orchids	409	189.056	14.867	12.716	<0.001	0.58	Large

Comparisons between pairs of clusters (N = 516).

*Interpretation of η²: 0.01 – small, 0.06 – medium; 0.14 – large (Cohen, 1988).