Speech perception task with pseudowords

Appezzato, Mariana Martins; Hackerott, Maria Mercedes Saraiva; Avila, Clara Regina Brandão de

Acessibilidade / Reportar erro

Brasil

Español English

sumário « anterior atual seguinte »

Sumário

Original Article • CoDAS 30 (2) • 2018 • https://doi.org/10.1590/2317-1782/20182017030 copy

Speech perception task with pseudowords

Authorship SCIMAGO INSTITUTIONS RANKINGS

ABSTRACT

Purpose

Prepare a list of pseudowords in Brazilian Portuguese to assess the auditory discrimination ability of schoolchildren and investigate the internal consistency of test items and the effect of school grade on discrimination performance.

Methods

Study participants were 60 schoolchildren (60% female) enrolled in the 3^rd (n=14), 4^th (n=24) and 5^th (n=22) grades of an elementary school in the city of Sao Paulo, Brazil, aged between eight years and two months and 11 years and eight months (99 to 136 months; mean=120.05; SD=10.26), with average school performance score of 7.21 (minimum 5.0; maximum 10; SD=1.23). Forty-eight minimal pairs of Brazilian Portuguese pseudowords distinguished by a single phoneme were prepared. The participants' responses (whether the elements of the pairs were the same or different) were noted and analyzed. The data were analyzed using the Cronbach's Alpha Coefficient, Spearman's Correlation Coefficient, and Bonferroni Post-hoc Test at significance level of 0.05.

Results

Internal consistency analysis indicated the deletion of 20 pairs. The 28 items with results showed good internal consistency (α=0.84). The maximum and minimum scores of correct discrimination responses were 34 and 16, respectively (mean=30.79; SD=3.68). No correlation was observed between age, school performance, and discrimination performance, and no difference between school grades was found.

Conclusion

Most of the items proposed for assessing the auditory discrimination of speech sounds showed good internal consistency in relation to the task. Age and school grade did not improve the auditory discrimination of speech sounds.

Keywords
Speech Perception; Protocols; Evaluation; Speech Disorders; Speech, Language and Hearing Sciences

Item	Mean	SD	Item/total correlation	α (if item is deleted)
1	0.69	0.47	-0.07	0.81
2	0.69	0.47	0.51	0.77
3	0.98	0.13	0.49	0.78
4	0.88	0.33	0.17	0.79
5	0.86	0.35	-0.05	0.80
6	0.97	0.18	0.43	0.78
7	0.93	0.26	0.38	0.78
8	0.97	0.18	-0.05	0.79
9	0.98	0.13	0.19	0.79
10	0.93	0.26	0.38	0.78
11	0.98	0.13	-0.07	0.79
12	0.76	0.43	0.45	0.77
13	0.93	0.26	0.60	0.77
14	0.97	0.18	0.49	0.78
16	0.88	0.33	0.49	0.77
17	0.97	0.18	-0.05	0.79
18	0.98	0.13	-0.11	0.79
19	0.95	0.22	0.22	0.78
20	0.98	0.13	0.37	0.78
21	0.97	0.18	0.60	0.78
23	0.93	0.26	0.22	0.78
24	0.98	0.13	0.49	0.78
25	0.90	0.31	0.30	0.78
26	0.93	0.26	0.07	0.79
27	0.91	0.28	0.31	0.78
28	0.98	0.13	-0.14	0.79
30	0.98	0.13	0.37	0.78
31	0.74	0.44	0.54	0.77
32	0.98	0.13	0.34	0.78
33	0.59	0.50	0.33	0.78
34	0.45	0.50	0.23	0.79
35	0.97	0.18	0.24	0.78
36	0.97	0.18	0.43	0.78
37	0.95	0.22	0.14	0.79
39	0.98	0.13	0.34	0.78
40	0.95	0.22	0.36	0.78
41	0.98	0.13	-0.04	0.79
42	0.98	0.13	0.11	0.79
43	0.95	0.22	0.43	0.78
44	0.86	0.35	0.22	0.79
45	0.97	0.18	0.62	0.78
46	0.90	0.31	-0.07	0.80
47	0.98	0.13	0.37	0.78
48	0.98	0.13	0.37	0.78
Total	0.91	0.11	0.27	-

Item	Mean	D	Item/total correlation	α (if item is deleted)
2	0.69	0.47	0.52	0.83
3	0.98	0.13	0.51	0.84
6	0.97	0.18	0.44	0.84
9	0.98	0.13	0.21	0.84
10	0.93	0.26	0.37	0.84
12	0.76	0.43	0.44	0.84
13	0.93	0.26	0.61	0.83
14	0.97	0.18	0.52	0.84
16	0.88	0.33	0.53	0.83
19	0.95	0.22	0.23	0.84
20	0.98	0.13	0.40	0.84
21	0.97	0.18	0.61	0.84
24	0.98	0.13	0.51	0.84
25	0.90	0.31	0.31	0.84
27	0.91	0.28	0.30	0.84
30	0.98	0.13	0.40	0.84
31	0.74	0.44	0.56	0.83
32	0.98	0.13	0.32	0.84
33	0.59	0.50	0.33	0.84
35	0.97	0.18	0.28	0.84
36	0.97	0.18	0.44	0.84
37	0.95	0.22	0.10	0.85
39	0.98	0.13	0.32	0.84
40	0.95	0.22	0.38	0.84
43	0.95	0.22	0.41	0.84
45	0.97	0.18	0.66	0.83
47	0.98	0.13	0.40	0.84
48	0.98	0.13	0.40	0.84
Total	0.91	0.12	0.38	-

no.	Stimuli		Nº	Stimuli
1	[brĩn'ga∫a]	[blĩn'ga∫a]	15	['padʒy]	['padʒy]
2	[bi'vaza]	[bo'vaza]	16	[ʒiω'gara]	[piω'gara]
3	['buy]	['buy]	17	['prĩn]	['plĩn]
4	['faʒy]	['faky]	18	['prãns]	['prãns]
5	['vaω]	['faω]	19	['bray]	['pray]
6	['flivω]	['frivω]	20	[se'tԐpa]	[se'nԐpa]
7	['gapẽn]	['gafẽn]	21	[su'tᴐωpa]	[su'nᴐωpa]
8	['klar]	['glar]	22	[te'feny]	[te'feny]
9	['grupe]	['gurpe]	23	['trũn]	['trũn]
10	[ki'grafa]	[ki'grafa]	24	['tus]	['tũn]
11	['frãns]	['krãns]	25	['vᴐyda]	['vᴐyda]
12	['krõn]	['krõn]	26	[zo'teyru]	[zo'teyru]
13	['los]	['lor]	27	['ʒur]	['ʒur]
14	['musa]	['musa]	28	['ԑda]	['ԑda]

Variable	Statistics	Age	School performance	Gender
Auditory discrimination of speech sounds	r or ρ	0.006	0.236	-0.15
	p-value	0.964	0.075	0.26

Grade	Mean	SD	Comparisons	p-value
3^rd grade	29.80	2.82	3^rd x 4^th grades	0.140
4^th grade	31.35	3.64	3^rd x 5^th grades	0.127
5^th grade	31.50	2.13	4^th x 5^th grades	0.987

Sociedade Brasileira de Fonoaudiologia Al. Jaú, 684, 7º andar, 01420-002 São Paulo - SP Brasil, Tel./Fax 55 11 - 3873-4211 - São Paulo - SP - Brazil
E-mail: revista@codas.org.br

Acompanhe os números deste periódico no seu leitor de RSS

[1] Conflict of interests: nothing to declare.