{
  "title": "The first seconds of a talk: what 'thin slices' show",
  "url": "https://www.shr.swiss/blog/premieres-secondes-d-une-prise-de-parole-ce-que-montrent-les-tranches-fines-en",
  "language": "en",
  "datePublished": "2026-08-07",
  "publisher": {
    "name": "SHR — Swiss Human Resources",
    "url": "https://www.shr.swiss",
    "address": "Esplanade de Pont-Rouge 9A, 1212 Lancy, Suisse"
  },
  "summary": "Observers judge a speaker within seconds, and these judgements align with longer evaluations. A classic study, to read with care.",
  "section": "Research",
  "topic": "Public Speaking & Impact",
  "place": {
    "name": "Lugano",
    "region": "Tessin",
    "country": "CH"
  },
  "keyPoints": [
    {
      "heading": "The study",
      "point": "Nalini Ambady and Robert Rosenthal (1993, Journal of Personality and Social Psychology) show silent clips of a few seconds of teachers let observers produce judgements correlated with end-of-term student ratings.."
    },
    {
      "heading": "What it suggests",
      "point": "Initial nonverbal signals — energy, openness, confidence — weigh on the overall impression.."
    },
    {
      "heading": "The nuance",
      "point": "Small samples in a university setting; impression correlations measure neither content quality nor learning."
    },
    {
      "heading": "The limit of common practice",
      "point": "Improvising the opening and counting on warming up during the talk.."
    },
    {
      "heading": "A practical check in Lugano",
      "point": "Script and rehearse the first thirty seconds, then show the filmed opening without sound to two colleagues and adjust."
    }
  ],
  "sources": [
    {
      "authors": "Rosenthal",
      "year": "1993",
      "source": "Journal of Personality and Social Psychology"
    }
  ],
  "wordCount": 127,
  "image": "https://www.shr.swiss/img/blog-editorial-2026-08-07-en.jpg?v=4",
  "translations": {
    "fr": "https://www.shr.swiss/blog/premieres-secondes-d-une-prise-de-parole-ce-que-montrent-les-tranches-fines",
    "en": "https://www.shr.swiss/blog/premieres-secondes-d-une-prise-de-parole-ce-que-montrent-les-tranches-fines-en",
    "de": "https://www.shr.swiss/blog/premieres-secondes-d-une-prise-de-parole-ce-que-montrent-les-tranches-fines-de",
    "it": "https://www.shr.swiss/blog/premieres-secondes-d-une-prise-de-parole-ce-que-montrent-les-tranches-fines-it"
  },
  "relatedPages": {
    "programme": "https://www.shr.swiss/formation/public-speaking/lugano",
    "city": "https://www.shr.swiss/formations-ville/lugano",
    "blog": "https://www.shr.swiss/blog"
  },
  "citationPolicy": "Citation autorisée avec mention « SHR — Swiss Human Resources » et lien vers l'article."
}