Using Self-Organizing Neural Network Map Combined with Ward’s Clustering Algorithm for Visualization of Students’ Cognitive Structural Models about Aliveness Concept

Table 8

Clusters and descriptive statistics.

Groups of the living things	Clusters
	C1	C2	C3
	39%	32%	29%
Prokaryotes, protists, and funguses	0.41	0.20	4.81
Plants	3.59	2.81	2.75
Invertebrates	1.81	2.43	3.06
Fishes	0.54	4.78	0.48
Amphibians	0.49	0.84	0.62
Reptiles	1.62	2.32	3.08
Birds	1.73	6.50	3.50
Wild mammals	4.12	3.36	5.62
Domestic mammals and pets	5.76	6.33	4.06
Human	7.15	3.30	2.34