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Lotte reviews a scientific article

C1 · 21 words

Lotte reviews a scientific article

A journal has asked Lotte to review a study which claims that city birds sing louder where there is more traffic. Learn to read research critically - the hypothesis, the sample, correlation and causality - and to write a review that is strict but fair.

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Dialogue

A short conversation with the words of this scenario. Tap "Translation" under a line to see what it means.

  1. Otti

    Lotte, du bist ja völlig vertieft. Was ist das denn?

    Translation

    Lotte, you're completely absorbed. What is that?

  2. Lotte

    Ein Fachartikel. Eine Fachzeitschrift will, dass ich die Studie begutachte: Angeblich singen Stadtvögel lauter, wo mehr Verkehr ist.

    Translation

    A scientific article. A journal wants me to review the study: city birds supposedly sing louder where there's more traffic.

  3. Otti

    Klingt doch einleuchtend. Bei dem Krach würde ich auch lauter singen.

    Translation

    Sounds plausible enough. With that racket I'd sing louder too.

  4. Lotte

    Einleuchtend schon, aber ist die Hypothese auch belegt? Die Stichprobe umfasst ganze zwölf Amseln aus einem einzigen Park.

    Translation

    Plausible, yes, but is the hypothesis actually backed up? The sample consists of all of twelve blackbirds from a single park.

  5. Otti

    Translation

    Twelve blackbirds… That's not exactly representative, is it?

  6. Lotte

    Translation

    Exactly. And even if the correlation were significant, that would be a long way from proving causation.

  7. Otti

    Ist das nicht dasselbe?

    Translation

    Isn't that the same thing?

  8. Lotte

    Nicht ganz. Vielleicht leben an großen Straßen einfach andere Arten, die ohnehin lauter singen. Ein Zusammenhang allein verrät noch nichts über die Ursache.

    Translation

    Not quite. Maybe different species that sing louder anyway simply live by big roads. A connection alone tells you nothing yet about the cause.

  9. Otti

    Translation

    So can you refute the study, then?

  10. Lotte

    Translation

    Not refute, but the conclusion can't be drawn from the finding. Methodologically the paper will be on shaky ground as long as the sample is this small.

  11. Otti

    Und zerreißt du sie in deinem Gutachten jetzt in der Luft?

    Translation

    And are you going to tear it to pieces in your review now?

  12. Lotte

    Translation

    No, strict but fair: three more parks, and then the study would have real significance. Critical, yes; unkind, no.

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