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Skip search results from other journals and go to results- 4 JMIR Formative Research
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Evaluation of Douyin Short Videos on Mammography in China: Quality and Reliability Analysis
We used the modified DISCERN (m DISCERN) tool and the Global Quality Score (GQS), previously used in many studies of Douyin, as instruments to assess the quality of information in each video.
Completeness checklist.
The DISCERN criteria are a validated scoring system developed by an Oxford University research team to assess the information quality and reliability of content related to consumer health information on treatment options [29].
JMIR Cancer 2025;11:e59483
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Following source classification, the reviewers of this study subsequently evaluated the content of each article for quality using the Brief DISCERN score [23]. The cutoff score for this instrument was established as ≥16 out of 30 for a digital article to be considered good-quality content [23]. Following quality assessment, the text of each digital article was extracted onto a plain text document and evaluated for readability.
JMIR Dermatol 2025;8:e60210
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Figure 2 shows the DISCERN scores for all 87 websites across each item. Table 4 presents the mean score for each of the 16 DISCERN instrument criteria and the total DISCERN score. The mean total DISCERN score for all 87 websites was 32.6 (SD 5.5). Only 1 website scored more than 51 points, which is good; 9 websites scored between 39 and 50 points, which is fair; 72 websites were poor; and 5 websites were very poor.
JMIR Form Res 2025;9:e68792
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After reviewing and discussing the DISCERN handbook, 2 authors (QW and LL) rated all the included websites. Interrater agreement was calculated.
Overall mean and standard deviations for the items of the DISCERN quality criteria for the 96 included websitesa.
a Each DISCERN item is rated on a 5-point scale, anchored at 1=the criterion was not met at all and 5=the criterion was fully met.
Descriptive analyses provided a mean score for each website and a mean score for each DISCERN item.
JMIR Form Res 2024;8:e56594
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The overall mean DISCERN score across all websites was 57.6 with a median score of 61 (IQR 49-68), a range of 18 to 80. The general DISCERN data properties are listed in Table 4, and the various scores are displayed in Figure 2. In total, 63% (36/57) of the websites had a DISCERN score of ≥52, a threshold that represents good-quality written materials. The 75th percentile of the total DISCERN score was ≥68, which was achieved by 28% (16/57) of the websites. These websites were considered high scoring.
JMIR Form Res 2023;7:e47762
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The quality of the information in the videos was assessed using GQS, and the reliability was evaluated using DISCERN. The GQS consists of 5 criteria ranging from 1 to 5; a higher score indicates higher quality [26]. We used the first part of the DISCERN questionnaire to illustrate the reliability of a video—the higher the score was, the better was the reliability. The specific scoring details for GQS and DISCERN are shown in Table 1 and Table 2.
J Med Internet Res 2023;25:e47210
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Quality of Information in Gallstone Disease Videos on TikTok: Cross-sectional Study
We compared the video quality based on different sources and contents with DISCERN and GQS scores. Three sections and the total score of DISCERN were analyzed.
J Med Internet Res 2023;25:e39162
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We verified the reliability of C-DISCERN by testing its interrater reliability and internal consistency.
To validate the interrater reliability of C-DISCERN, we determined the scoring agreement between 2 health educators who were requested to use C-DISCERN to assess 15 print lung cancer–related health materials.
J Med Internet Res 2023;25:e40733
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The Quality of Internet Websites for People Experiencing Psychosis: Pilot Expert Assessment
All raters read the PWQC manual (see Multimedia Appendix 1) and the DISCERN handbook and evaluated the websites independently of each other. Consumers were not included as the evaluations of content required an ability to critically appraise the clinical information.
Statistical analysis was conducted using SPSS (version 24; IBM Corp). Each rater’s DISCERN and PWQC scores for each website were calculated as a mean score.
JMIR Form Res 2022;6(4):e28135
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The two frequently used quality assessments DISCERN (name of the instrument) and Global Quality Scale (GQS) were applied to evaluate the medical quality of the posted videos [25,29-33]. DISCERN measures a video’s quality of information about treatment choices. It includes 16 questions addressing the reliability (questions 1-8), quality of health information (questions 9-15), and overall quality (question 16) of the videos.
J Med Internet Res 2020;22(4):e15599
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