TABLE I.

Summary statistics for individual conditions.

						Main effect acoustic history mean (High versus low)
Experiment	No. of tones overall	No. of unique tone frequencies	Range of tone frequencies (Hz)	Mean “ga” high (SE)	Mean “ga” low (SE)	F	p≤	${\eta }_p^2$
1	21	1	1 tone	60.22 (2.89)	45.44 (2.48)	28.32	0.0001	0.759
	21	3	100	60.22 (3.31)	45.67 (2.94)	18.11	0.002	0.668
	21	7	300	60.89 (2.73)	44.78 (2.28)	27.40	0.001	0.753
	21	21	1000	61.67 (2.23)	47.00 (2.25)	28.95	0.0001	0.763
2	21	21 HHH vs. LLL	1000	63.60 (3.07)	38.1 (2.90)	137.98	0.000	0.939
3	21	21 tones	1000	52.17 (2.62)	44.17 (4.05)	19.42	0.002	0.684
	21	21 notched noise	1000	49.33 (2.36)	52.44 (2.30)	5.72	0.04	0.388
4a	3	3	1000	55.67 (1.36)	50.56 (2.40)	4.78	0.05	0.347
	5	5	1000	57.56 (1.15)	53.11 (1.35)	28.8	0.0001	0.762
	6	6	1000	57.33 (1.52)	48.56 (1.75)	26.88	0.001	0.749
	7	9	1000	57.889 (1.68)	48.33 (1.34)	25.96	0.001	0.743
	11	11	1000	59.56 (1.20)	46.44 (1.58)	83.77	0.0001	0.903
	21	21	1000	62.67 (1.51)	46.56 (1.61)	162.43	0.0001	0.947
	26	26	1000	61.44 (1.97)	45.44 (1.69)	46.38	0.0001	0.837
4b	3	3	1000	58.25 (1.73)	58.96 (2.13)	<1	n.s.	0.013
	9	3	1000	60.87 (2.03)	57.78 (1.68)	4.44	0.05	0.254
	15	3	1000	61.75 (2.71)	56.75 (1.93)	4.50	0.05	0.257
	21	3	1000	62.62 (2.39)	54.37 (2.17)	17.15	0.001	0.569
	21	21	1000	64.44 (2.71)	53.97 (1.84)	18.19	0.001	0.583