Debate Worksheet: Strong and Weak Evidence

Debate lesson 3: Strong and weak evidence · Set 131 · 40 questions

Debater's tip (Relevant, specific, reliable): Relevant: does it talk about the topic of the motion? Specific: does it say exactly who, what, where or how many? “30 of 40 students” beats “lots of students”. Reliable: can we trust where it came from? Records, textbooks and official bodies beat rumours and unsigned posts.

1. 1.True or false: the attendance register for the whole year is strong evidence. (a) True (b) False
2. 2.True or false: a fact from our science textbook is strong evidence. (a) True (b) False
3. 3.True or false: “Some people say it helps somehow.” — this is weak because it is not relevant to the topic. (a) True (b) False
4. 4.True or false: the school library’s record of books borrowed is weak evidence. (a) True (b) False
5. 5.🔎 Why is this weak evidence? In a debate on homework: “Mount Everest is very tall.” (a) not relevant (b) not specific (c) not reliable
6. 6.🔎 What makes evidence strong? (a) funny and short (b) loud and long (c) relevant and reliable (d) old and vague
7. 7.🔎 Strong or weak evidence: the school library’s record of books borrowed? (a) weak evidence (b) strong evidence
8. 8.🔎 Which is more specific? (a) 30 of 40 students (b) lots of students
9. 9.🔎 Strong or weak evidence: a story you are not sure about? (a) strong evidence (b) weak evidence
10. 10.True or false: a fact from our science textbook is weak evidence. (a) True (b) False
11. 11.True or false: a rumour forwarded in a chat group is weak evidence. (a) False (b) True
12. 12.🔎 Why is this weak evidence? “A forwarded message says so.” (a) not relevant (b) not specific (c) not reliable
13. 13.🔎 Strong or weak evidence: the school nurse’s record of sick days? (a) weak evidence (b) strong evidence
14. 14.🔎 Why is this weak evidence? “A website with no name says so.” (a) not reliable (b) not relevant (c) not specific
15. 15.🔎 Why is this weak evidence? “It is good for many reasons.” (a) not reliable (b) not specific (c) not relevant
16. 16.True or false: the school nurse’s record of sick days is strong evidence. (a) True (b) False
17. 17.True or false: one friend’s guess is weak evidence. (a) False (b) True
18. 18.🔎 Why is this weak evidence? In a debate on school gardens: “Cricket is popular in India.” (a) not reliable (b) not relevant (c) not specific
19. 19.🔎 Why is this weak evidence? In a debate on reading: “Trains run on tracks.” (a) not relevant (b) not reliable (c) not specific
20. 20.True or false: figures from the city water board is strong evidence. (a) True (b) False
21. 21.🔎 Why is this weak evidence? “I saw it on a random poster once.” (a) not specific (b) not reliable (c) not relevant
22. 22.🔎 Strong or weak evidence: one friend’s guess? (a) strong evidence (b) weak evidence
23. 23.🔎 Strong or weak evidence: “Everybody knows it.”? (a) strong evidence (b) weak evidence
24. 24.True or false: “It is good for many reasons.” — this is weak because it is not specific (no who, what or how many). (a) True (b) False
25. 25.🔎 Why is this weak evidence? “I think I dreamt it.” (a) not relevant (b) not reliable (c) not specific
26. 26.🔎 Why is this weak evidence? “A lot of water gets wasted somewhere.” (a) not reliable (b) not relevant (c) not specific
27. 27.True or false: “It is good for many reasons.” — this is weak because its source is not reliable. (a) True (b) False
28. 28.True or false: measured results from our class experiment is weak evidence. (a) True (b) False
29. 29.True or false: figures from the city water board is weak evidence. (a) True (b) False
30. 30.True or false: “Lots of students like it.” — this is weak because its source is not reliable. (a) False (b) True
31. 31.🔎 Strong or weak evidence: a fact from our science textbook? (a) strong evidence (b) weak evidence
32. 32.🔎 Strong or weak evidence: a survey of 300 students in our school? (a) strong evidence (b) weak evidence
33. 33.🔎 Strong or weak evidence: measured results from our class experiment? (a) weak evidence (b) strong evidence
34. 34.True or false: “A website with no name says so.” — this is weak because it is not relevant to the topic. (a) False (b) True
35. 35.🔎 Why is this weak evidence? “Lots of students like it.” (a) not relevant (b) not specific (c) not reliable
36. 36.True or false: a survey of 300 students in our school is strong evidence. (a) True (b) False
37. 37.True or false: “I think I dreamt it.” — this is weak because it is not relevant to the topic. (a) False (b) True
38. 38.🔎 Strong or weak evidence: “My cousin said so.”? (a) weak evidence (b) strong evidence
39. 39.🔎 Strong or weak evidence: an unsigned post with no source? (a) weak evidence (b) strong evidence
40. 40.True or false: an unsigned post with no source is strong evidence. (a) False (b) True

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