Evidence map›Paper›PMID 32519676›Full record

Trial reportJournal of medical Internet research2020

Spelling Errors and Shouting Capitalization Lead to Additive Penalties to Trustworthiness of Online Health Information: Randomized Experiment With Laypersons.

Harry J Witchel, Georgina A Thompson, Christopher I Jones, Carina E I Westling, Juan Romero, Alessia Nicotra, Bruno Maag, Hugo D Critchley

Erratum issuedAbstract readRandomized Controlled Trial
In one paragraph

Trial report in Journal of medical Internet research, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 3 papers.

0numbers the graph read from it
0cells of the map it votes in
3citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

3 citing papers in PubMed.

  1. Article
  2. Article
  3. Article
4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

8 authors.

Harry J WitchelDepartment of Neuroscience, Brighton and Sussex Medical School, Brighton, United Kingdom.ORCID 0000-0001-8404-3494
Georgina A ThompsonDepartment of Neuroscience, Brighton and Sussex Medical School, Brighton, United Kingdom.ORCID 0000-0001-6777-5730
Christopher I JonesDepartment of Primary Care and Public Health, Brighton and Sussex Medical School, Brighton, United Kingdom.ORCID 0000-0001-7065-1157
Carina E I WestlingFaculty of Media and Communication, Bournemouth University, Bournemouth, United Kingdom.ORCID 0000-0002-6549-0974
Juan RomeroDalton Maag Ltd, London, United Kingdom.ORCID 0000-0001-5972-4001
Alessia NicotraDalton Maag Ltd, London, United Kingdom.ORCID 0000-0001-7775-0166
Bruno MaagDalton Maag Ltd, London, United Kingdom.ORCID 0000-0002-2841-8439
Hugo D CritchleyDepartment of Neuroscience, Brighton and Sussex Medical School, Brighton, United Kingdom.ORCID 0000-0002-2445-9284

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundThe written format and literacy competence of screen-based texts can interfere with the perceived trustworthiness of health information in online forums, independent of the semantic content. Unlike in professional content, the format in unmoderated forums can regularly hint at incivility, perceived as deliberate rudeness or casual disregard toward the reader, for example, through spelling errors and unnecessary emphatic capitalization of whole words (online shouting).

objectiveThis study aimed to quantify the comparative effects of spelling errors and inappropriate capitalization on ratings of trustworthiness independently of lay insight and to determine whether these changes act synergistically or additively on the ratings.

methodsIn web-based experiments, 301 UK-recruited participants rated 36 randomized short stimulus excerpts (in the format of information from an unmoderated health forum about multiple sclerosis) for trustworthiness using a semantic differential slider. A total of 9 control excerpts were compared with matching error-containing excerpts. Each matching error-containing excerpt included 5 instances of misspelling, or 5 instances of inappropriate capitalization (shouting), or a combination of 5 misspelling plus 5 inappropriate capitalization errors. Data were analyzed in a linear mixed effects model.

resultsThe mean trustworthiness ratings of the control excerpts ranged from 32.59 to 62.31 (rating scale 0-100). Compared with the control excerpts, excerpts containing only misspellings were rated as being 8.86 points less trustworthy, those containing inappropriate capitalization were rated as 6.41 points less trustworthy, and those containing the combination of misspelling and capitalization were rated as 14.33 points less trustworthy (P<.001 for all). Misspelling and inappropriate capitalization show an additive effect.

conclusionsDistinct indicators of incivility independently and additively penalize the perceived trustworthiness of online text independently of lay insight, eliciting a medium effect size.

Indexed as

SemanticsCross-Sectional StudiesFemaleHumansLanguageMaleTelemedicineTrustcommunicationcredibilityhealth communicationonline social networkingpersuasive communicationtrusttrustworthinesstypographical errors

Identifiers

PMID32519676
PMCPMC7315370

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.