Table 3.

Performance of individual subjects (percent correct) on the Familiar Environmental Sound Test across four testing sessions of the study.

Subject	Pretest 1	Pretest 2	Posttest	Retention	Total improvement
S2*	53.12	44.38	60	59.83	6.71
S3*	45	63.25	80.625	80.625	35.625
S5	52.5	54.38	83.75	81.25	28.75
S6*	66.25	69.36	75	75.63	9.38
S7	30	36.25	46.9	49	19
S15	45.63	41.25	56.88	56.25	10.62
S16	14.4	17.5	27.5	31.25	16.85
S17	73.1	78	82.5	84.38	11.28
S9	37	38	60	58	21
S10	38	42	51	52	14
S11	46.88	59.38	69.375	58.89	12.01
S12	61.86	70	71.88	70	8.14
S13	45.63	31.89	40	51.25	5.62
S14	43.89	42.22	59.38	65.63	21.74
M	46.7	49.1	61.8	62.4	15.8
SD	14.9	17.1	16.7	14.9	8.7

Note. Environmental sound testing and training of the subjects marked by an asterisk were conducted in noise.