TABLE I.

The eight different types of tone-scramble used in the current experiment. For n = 1, 2, 4, 8, in the “n-task” on each trial the listener heard either a n-each-major or a n-each-minor tone-scramble and strove to judge which type she had heard. Feedback was given after each trial.

Task	Stimulus type	Tone duration	# G5's	# $B_5♭$'s	# B5's	# D6's	# G6's
1-task	1-each-major	520 ms	1	0	1	1	1
	1-each-minor	520 ms	1	1	0	1	1
2-task	2-each-major	260 ms	2	0	2	2	2
	2-each-minor	260 ms	2	2	0	2	2
4-task	4-each-major	130 ms	4	0	4	4	4
	4-each-minor	130 ms	4	4	0	4	4
8-task	8-each-major	65 ms	8	0	8	8	8
	8-each-minor	65 ms	8	8	0	8	8