Evaluation of the quality of information on the internet: websites on the use of the Frequency Modulation System

Fidêncio, Vanessa Luisa Destro; Souza, Dalva Maria Batista de; Pinho, Najla Ayanne Moura de; Almeida, Roseane Silva; Silva, Joice de Moura; Corrêa, Camila de Castro

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Audiology - Communication Research

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Original Article • Audiol., Commun. Res. 26 • 2021 • https://doi.org/10.1590/2317-6431-2021-2485 copy

Evaluation of the quality of information on the internet: websites on the use of the Frequency Modulation System

Authorship SCIMAGO INSTITUTIONS RANKINGS

ABSTRACT

Purpose

To evaluate the quality of the most accessed websites aimed at instructing teachers on Frequency Modulation Systems in terms of readability, reliability, usability and comprehensiveness.

Methods

The websites contained in the first five pages of Google and Yahoo!, obtained by searching for keywords / free terms: "FM system", "child", "hearing impairment", "teacher", "remote microphones" and " guidelines" were selected and evaluated by three analysts using the Flesch Reading EaseTest, the Discern Questionnaire, the System Usability Scale and the comprehensiveness assessment.

Results

Fourteen websites were evaluated. Half of them were classified according to the degree of readability and reliability as "difficult / very difficult" and "poor", respectively. As for usability, most websites were classified as "good", with only one categorized as "best achievable". The analysis of the scope of the websites revealed that the themes covered in a less precise way were: the use of the FM system by the teacher and student, and the handling of the device with the “on / off” mode.

Conclusion

The websites available in the Brazilian Portuguese language with teachers’ guidance, regarding the FM System, presented restricted readability and almost half of the available content was classified as poor, demonstrating that the reliability for treatment choices through this information is not so safe.

Keywords:
Internet; Telemedicine; Educational technology; Speech, Language and Hearing Sciences; Self-help devices

*WEBSITE*	READABILITY SCORE BY THE FREI	RATING
1	53.73%	Fairly difficult
2	57.23%	Fairly difficult
3	70.29%	Fairly easy
4	37.03%	Difficult
5	33.40%	Difficult
6	44.93%	Difficult
7	45.47%	Difficult
8	51.36%	Fairly difficult
9	46.05%	Difficult
10	87.72%	Easy
11	59.06%	Fairly difficult
12	18.82%	Very difficult
13	58.30%	Fairly difficult
14	43.84%	Difficult

*WEBSITE*	Q1	Q2	Q3	Q4	Q5	Q6	Q7	Q8	Q9	Q10	Q11	Q12	Q13	Q14	Q15	Q16
1	5.00±0.00	5.00±0.00	5.00±0.00	3.33±2.08	2.33±2.31	3.33±2.08	2.33±115	3.33±2.08	2.67±1.53	4.67±0.58	3.00±2.00	2.33±2.31	2.33±2.12	3.50±1.73	2.00±0.00	4.00±0.58
2	3.00±0.00	3.00±1.00	3.67±0.58	1.00±0.00	1.00±0.00	3.00±1.73	3.00±2.00	1.00±0.00	3.00±1.00	3.67±0.58	1.00±0.00	1.00±2.31	2.33±1.53	2.67±1.73	2.00±0.58	3.33±0.58
3	4.67±0.58	4.33±0.58	4.67±0.58	3.33±2.08	5.00±0.00	4.67±0.58	2.00±1.00	3.33±2.08	3.33±0.58	4.67±0.58	1.00±0.00	1.00±2.31	2.33±2.00	3.00±1.73	2.00±0.00	4.00±0.00
4	4.00±1.00	4.00±1.00	4.00±1.00	1.00±0.00	1.00±0.00	3.67±0.58	1.00±0.00	1.00±0.00	2.33±1.15	4.33±0.58	1.00±0.00	1.00±2.31	2.33±1.15	1.67±1.15	1.67±0.00	3.00±0.00
5	4.00±1.73	4.00±1.73	4.00±1.73	3.67±1.53	2.33±2.31	4.00±1.73	1.67±1.15	1.33±0.58	3.67±0.58	4.67±0.58	1.00±0.00	1.00±2.31	2.33±0.71	4.50±2.31	2.33±1.53	3.67±1.15
6	4.00±1.73	4.00±1.73	4.33±1.15	1.00±0.00	3.67±2.31	4.00±1.73	2.33±2.31	2.00±1.73	3.67±1.53	4.67±0.58	1.00±0.00	1.00±1.53	2.33±0.00	5.00±2.31	3.67±1.00	4.00±1.15
7	3.00±1.00	3.33±1.15	3.33±1.15	1.00±0.00	1.00±0.00	2.33±2.31	2.00±1.73	2.00±1.73	3.00±1.00	3.67±1.53	1.00±0.00	1.00±1.15	1.67±2.08	3.33±2.31	2.33±1.00	3.00±1.53
8	4.00±1.00	4.67±0.58	4.33±0.58	1.00±0.00	1.00±0.00	4.67±0.58	1.00±0.00	1.67±1.15	4.33±0.58	5.00±0.00	1.00±0.00	1.00±2.31	2.33±1.15	1.67±1.15	1.67±0.00	4.00±0.58
9	3.33±1.53	3.67±1.15	2.67±2.08	1.00±0.00	2.33±2.31	3.00±2.00	1.00±0.00	1.00±0.00	2.33±1.53	2.67±1.15	1.00±0.00	1.00±0.58	1.33±0.00	1.00±0.00	1.00±0.58	2.33±1.00
10	3.33±0.58	3.67±1.15	3.00±1.00	1.00±0.00	2.33±2.31	3.67±2.31	1.00±0.00	2.00±1.73	3.00±1.00	3.67±0.58	1.00±0.00	1.00±1.15	1.67±0.58	1.33±0.00	1.00±0.58	2.33±1.15
11	5.00±0.00	5.00±0.00	5.00±0.00	5.00±0.00	2.33±2.31	5.00±0.00	5.00±0.00	1.00±0.00	5.00±0.00	5.00±0.00	2.00±1.73	1.33±2.08	3.33±2.31	3.67±1.73	2.00±0.00	5.00±0.00
12	3.33±1.53	3.33±1.53	3.00±1.73	2.33±2.31	3.67±2.31	2.67±2.08	1.00±0.00	2.33±2.31	3.00±1.00	2.67±2.08	1.00±0.00	1.00±0.00	1.00±0.58	1.33±0.00	1.00±1.00	2.00±1.00
13	4.33±1.15	4.33±1.15	4.00±1.00	1.00±0.00	1.00±0.00	3.67±1.53	2.33±2.31	2.33±2.31	2.67±0.58	4.00±0.00	1.00±0.00	1.00±1.73	2.00±2.31	3.67±2.08	2.67±0.58	2.33±1.15
14	4.67±0.58	5.00±0.00	4.67±0.58	1.00±0.00	3.67±2.31	4.33±0.58	1.67±1.15	1.00±0.00	2.67±0.58	4.67±0.58	1.00±0.00	1.00±2.31	2.33±1.73	2.00±1.73	2.00±0.58	3.33±1.00

*WEBSITES*	TOTAL DQ	RATING
1	54.15	Good
2	37.67	Poor
3	53.33	Good
4	37.00	Poor
5	48.17	Fair
6	50.67	Fair
7	36.99	Poor
8	43.34	Fair
9	30.66	Poor
10	35.00	Poor
11	60.66	Good
12	34.66	Poor
13	42.33	Fair
14	45.01	Fair

*WEBSITES*	Q1	Q2	Q3	Q4	Q5	Q6	Q7	Q8	Q9	Q10	TOTAL	RATING
1	3.33 ± 0.71	4.00 ± 2.12	3.67 ± 0.71	2.33 ± 0.23	3.00 ± 0.71	3.33 ± 1.18	4.00 ± 0.71	3.33 ± 1.18	3.67 ± 0.71	1.00 ± 2.12	79.17	Excellent
2	2.67 ± 0.71	4.00 ± 2.12	3.67 ± 0.71	2.33 ± 0.23	3.00 ± 0.71	2.00 ± 0.71	3.33 ± 0.71	3.33 ± 1.18	3.33 ± 0.71	1.00 ± 2.12	71.67	Good
3	3.00 ± 0.71	4.00 ± 2.12	3.67 ± 0.71	2.33 ± 0.23	3.33 ± 0.71	3.00 ± 0.71	3.67 ± 0.71	3.00 ± 0.71	3.67 ± 0.71	1.00 ± 2.12	76.67	Excellent
4	2.00 ± 0.71	3.67 ± 1.65	2.67 ± 0.71	2.33 ± 0.23	3.00 ± 0.71	2.67 ± 0.24	3.67 ± 0.71	4.00 ± 2.12	3.33 ± 0.71	1.00 ± 2.12	70.83	Good
5	3.33 ± 0.71	3.33 ± 1.18	3.67 ± 0.71	2.33 ± 0.23	3.33 ± 0.71	2.67 ± 0.24	3.67 ± 0.71	4.00 ± 2.12	3.33 ± 0.71	1.33 ± 1.65	77.50	Excellent
6	3.33 ± 0.71	3.33 ± 1.18	2.00 ± 0.71	2.67 ± 0.23	3.67 ± 0.71	2.67 ± 0.24	4.00 ± 0.71	4.00 ± 2.12	4.00 ± 0.71	1.00 ± 2.12	76.67	Excellent
7	1.67 ± 0.71	4.00 ± 2.12	2.67 ± 0.71	2.33 ± 0.23	3.67 ± 0.71	2.67 ± 0.24	3.67 ± 0.71	3.33 ± 1.18	3.00 ± 0.71	0.67 ± 2.59	69.17	Good
8	2.67 ± 0.71	3.67 ± 1.65	4.00 ± 0.71	2.33 ± 0.23	3.33 ± 0.71	2.67 ± 0.24	3.67 ± 0.71	4.00 ± 2.12	3.67 ± 0.71	1.00 ± 2.12	77.50	Excellent
9	1.00 ± 0.71	3.67 ± 1.65	0.33 ± 0.71	2.00 ± 0.70	2.33 ± 0.71	3.00 ± 0.71	3.67 ± 0.71	4.00 ± 2.12	2.67 ± 0.71	0.67 ± 2.59	58.33	Good
10	1.33 ± 0.71	3.67 ± 1.65	1.33 ± 0.71	2.00 ± 0.70	2.33 ± 0.71	3.00 ± 0.71	3.00 ± 0.71	3.67 ± 1.65	2.67 ± 0.71	1.00 ± 2.12	60.00	Good
11	4.00 ± 0.71	4.00 ± 1.18	3.67 ± 0.71	3.67 ± 0.70	4.00 ± 0.71	2.67 ± 0.71	3.67 ± 0.71	4.00 ± 0.71	4.00 ± 0.71	1.33 ± 2.12	87.50	Best achievable
12	1.00 ± 0.71	3.67 ± 1.65	2.00 ± 0.71	2.33 ± 0.23	1.33 ± 0.71	3.67 ± 1.65	0.67 ± 0.71	3.67 ± 1.65	2.00 ± 0.71	1.67 ± 1.18	55.00	Good
13	0.67 ± 0.71	3.67 ± 1.65	2.00 ± 0.71	2.00 ± 0.70	1.33 ± 0.71	3.67 ± 1.65	2.00 ± 0.71	3.67 ± 1.65	2.00 ± 0.71	1.67 ± 1.18	56.67	Good
14	2.00 ± 0.71	3.67 ± 1.65	1.33 ± 0.71	2.33 ± 0.23	3.33 ± 0.71	2.67 ± 0.24	2.67 ± 0.71	3.67 ± 1.65	3.00 ± 0.71	1.33 ± 1.65	65.00	Good
OVERALL AVERAGE											70.12	Good

*WEBSITES*	DEFINITION	RELEVANCE IN THE CLASSROOM	USE BY THE TEACHER AND STUDENT	ON/OFF	OVERALL SCOPE
1	4.33 ± 0.58	4.33 ± 0.58	3.00 ± 1.00	1.00 ± 0.00	12.66
2	4.00 ± 0.00	2.33 ± 0.58	1.67 ± 1.15	1.33 ± 0.00	9.33
3	4.67 ± 0.58	4.67 ± 0.58	4.33 ± 0.58	1.00 ± 0.00	14.67
4	4.00 ± 0.00	2.67 ± 1.15	1.00 ± 0.00	1.00 ± 0.00	8.67
5	3.67 ± 2.31	5.00 ± 0.00	4.67 ± 0.58	1.00 ± 0.00	14.34
6	4.00 ± 1.73	4.67 ± 0.58	5.00 ± 0.00	1.00 ± 0.00	14.67
7	3.00 ± 1.00	2.33 ± 1.53	3.67 ± 0.58	1.00 ± 0.00	10.00
8	4.33 ± 0.58	4.00 ± 1.00	5.00 ± 0.00	1.00 ± 0.00	14.33
9	2.00 ± 1.00	2.67 ± 0.58	3.67 ± 2.31	1.00 ± 0.00	9.34
10	3.00 ± 0.00	2.33 ± 0.58	4.33 ± 1.15	1.33 ± 0.58	10.99
11	5.00 ± 0.00	5.00 ± 0.00	5.00 ± 0.00	5.00 ± 0.00	20.00
12	3.67 ± 1.15	2.33 ± 1.15	2.67 ± 1.53	1.00 ± 0.00	9.67
13	4.00 ± 0.00	3.33 ± 1.53	2.67 ± 2.08	1.00 ± 0.00	11.00
14	4.00 ± 0.00	4.33 ± 0.58	4.33 ± 0.58	1.00 ± 0.00	13.66

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[1] Conflict of interest: None.