{
  "title": "Public speaking: repeating a message does not prove it",
  "url": "https://www.shr.swiss/blog/prise-de-parole-repeter-un-message-ne-le-prouve-pas-en",
  "language": "en",
  "datePublished": "2026-01-12",
  "publisher": {
    "name": "SHR — Swiss Human Resources",
    "url": "https://www.shr.swiss",
    "address": "Esplanade de Pont-Rouge 9A, 1212 Lancy, Suisse"
  },
  "summary": "Repeating a message can strengthen its credibility without strengthening its foundations. In a management presentation, that distinction changes how impact should be defined.",
  "section": "Research",
  "topic": "Public Speaking & Impact",
  "place": {
    "name": "Basel",
    "region": "Bâle-Ville",
    "country": "CH"
  },
  "keyPoints": [
    {
      "heading": "What the literature establishes",
      "point": "Lynn Hasher, David Goldstein and Thomas Toppino (1977, Journal of Verbal Learning and Verbal Behavior) showed that repeated statements were judged truer than new statements."
    },
    {
      "heading": "Why knowledge is not always enough",
      "point": "Lisa K."
    },
    {
      "heading": "The premature conclusion",
      "point": "One might conclude that effective public speaking requires frequent repetition, or alternatively that repetition should be avoided altogether."
    },
    {
      "heading": "What the evidence does not establish",
      "point": "These experiments use statements and truth ratings under controlled conditions; they do not reproduce an investment decision or a scientific project review."
    },
    {
      "heading": "A practical check in Bâle",
      "point": "In a workshop within SHR’s “Public Speaking & impact” programme in Basel, participants could work on a presentation about industrial transfer or supply continuity connecting pharma, life sciences, Rhine logistics and international R&D."
    }
  ],
  "sources": [
    {
      "authors": "Toppino",
      "year": "1977",
      "source": "Journal of Verbal Learning and Verbal Behavior"
    },
    {
      "authors": "Marsh",
      "year": "2015",
      "source": "Journal of Experimental Psychology: General"
    }
  ],
  "wordCount": 400,
  "image": "https://www.shr.swiss/img/blog-editorial-2026-01-12-en.jpg?v=4",
  "translations": {
    "fr": "https://www.shr.swiss/blog/prise-de-parole-repeter-un-message-ne-le-prouve-pas",
    "en": "https://www.shr.swiss/blog/prise-de-parole-repeter-un-message-ne-le-prouve-pas-en",
    "de": "https://www.shr.swiss/blog/prise-de-parole-repeter-un-message-ne-le-prouve-pas-de",
    "it": "https://www.shr.swiss/blog/prise-de-parole-repeter-un-message-ne-le-prouve-pas-it"
  },
  "relatedPages": {
    "programme": "https://www.shr.swiss/formation/public-speaking/bale",
    "city": "https://www.shr.swiss/formations-ville/bale",
    "blog": "https://www.shr.swiss/blog"
  },
  "citationPolicy": "Citation autorisée avec mention « SHR — Swiss Human Resources » et lien vers l'article."
}