Supplementing Evidence When Data Sources Are Questioned

Dialogue script

Each entry shows the English sentence first, with the translation on the line below it. To practise speaking, cover the translation and repeat after the audio.

1. Tom 0:00

   Our data source was questioned, and trust dropped during review.

   Line 1
2. Emma 0:04

   Was concern about sampling bias, freshness, or source authority?

   Line 2
3. Tom 0:09

   Mostly sampling bias and unclear collection method notes.

   Line 3
4. Emma 0:13

   Then we need method transparency before defending conclusions.

   Line 4
5. Tom 0:17

   I assumed charts alone would convince people quickly.

   Line 5
6. Emma 0:20

   Charts persuade only when data lineage is credible.

   Line 6
7. Tom 0:24

   I'll add source table with dates, coverage, and collection rules.

   Line 7
8. Emma 0:29

   Add one independent dataset for cross-validation if possible.

   Line 8
9. Tom 0:33

   We'll rerun key metrics and show variance ranges openly.

   Line 9
10. Emma 0:37

    Great, transparency about limits can actually build trust.

    Line 10
11. Tom 0:42

    If uncertainty remains high, we'll soften recommendation strength.

    Line 11
12. Emma 0:46

    Exactly. Confidence level should match evidence quality.

    Line 12

Native audio, line-by-line recording and pronunciation scoring for this dialogue are in the EngTalk app.

Key vocabulary

Content words from this dialogue, ranked by the CEFR level at which they appear across the whole 500-dialogue library. Function words and proper nouns are excluded.

• trust /trʌst/ noun

  belief that someone or something is reliable

• concern /kənˈsɝn/ noun

  a feeling of worry or anxiety; something that involves or affects someone

• transparency /trænˈspɛrənsi/ noun

  openness and clarity

• defending /dɪˈfɛndɪŋ/ verb

  present participle of defend; protecting

• assumed /əˈsumd/ verb

  accepted as true without proof; taken on

• alone /əˈloʊn/ adjective

  having no one else present; on one's own

• credible /ˈkrɛdəbəl/ adjective

  able to be believed or trusted

• independent /ˌɪndɪˈpɛndənt/ adjective

  not controlled by others

• limits /ˈlɪmɪts/ noun

  the greatest amounts or levels allowed

• actually /ˈæktʃuəli/ adverb

  in truth; in fact

• uncertainty /ʌnˈsɝtənti/ noun

  a state of not being sure

• evidence /ˈɛvədəns/ noun

  facts or signs that support a conclusion

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