Table 5.

Normative characteristics of stimuli used in Experiment 2.

Block type	Actio similarity	Category similarity	Visual similarity	Name agreement	Familiarity	Visual complexity	Manipulability	Letters	Phonemes	Syllables
High action similarity	38.6 (9.7)	1.6 (0.3)	2.0 (0.3)	80% (1.0)	4.2 (0.1)	2.4 (0.2)	3.2 (0.2)	8.3 (2.1)	6.1 (1.4)	2.3 (0.4)
Moderate action similarity	21.6 (0.5)	1.5 (0.3)	1.9 (0.4)	72% (0.8)	4.0 (0.2)	2.2 (0.1)	3.4 (0.3)	8.9 (1.9)	6.6 (1.5)	2.5 (0.8)
Unrelated	5.6 (0.6)	1.5 (0.2)	1.6 (0.4)	76% (1.5)	4.1 (0.2)	2.5 (0.2)	3.2 (0.3)	7.9 (1.9)	5.9 (1.4)	2.2 (0.8)

Note: standard deviations in parentheses.