Grade 9 · Social studies

Match civic claims with needed evidence

Distinguish measurable claims, value judgments and evidence relevant to an invented community proposal.

6 authored questions + worked example

Worked example

A proposal claims a new crossing reduced the mean wait time. Which evidence most directly tests that claim?

Answer & why

Answer: Comparable wait-time measurements before and after.

The claim concerns a measured change in waiting time.

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All questions

All 6 authored questions for this skill.

Question 1

A survey about all park users is answered only by one evening sports club. What must be checked before generalizing?

  1. Whether sports clubs may have opinions.
  2. Whether the form has an attractive border.
  3. Whether every response uses a short sentence.
  4. Whether other users' needs are represented.
A hint

Find exactly what the claim says before deciding which evidence could test it.

Answer & why

Answer: Whether other users' needs are represented.

The recruited group may omit other users and visiting times.

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Question 2

A plan says a route is 'best' without naming a goal. What clarification is most useful?

  1. Is the title the longest available?
  2. Can the word be printed larger?
  3. Best according to which criteria, such as time, cost or access?
  4. Can the plan omit every comparison?
A hint

Find exactly what the claim says before deciding which evidence could test it.

Answer & why

Answer: Best according to which criteria, such as time, cost or access?

A comparison needs a criterion before evidence can support it.

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Question 3

A chart shows visits rose after a free event, while opening hours also increased. Which claim is cautious?

  1. The chart proves all visitors attended the event.
  2. Longer hours had no possible influence.
  3. The event alone caused every extra visit.
  4. Visits rose during a period with both changes.
A hint

Find exactly what the claim says before deciding which evidence could test it.

Answer & why

Answer: Visits rose during a period with both changes.

The chart does not isolate the effect of one simultaneous change.

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Question 4

A proposal says a ramp should be tested with people who use mobility aids. What kind of relevant evidence could that add?

  1. Users' experience of the route's accessibility.
  2. A guarantee that every ramp design is identical.
  3. Proof that no maintenance is needed.
  4. The exact opinions of every future visitor.
A hint

Find exactly what the claim says before deciding which evidence could test it.

Answer & why

Answer: Users' experience of the route's accessibility.

Affected users can provide direct experience of the proposed route.

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Question 5

A proposal claims a new crossing reduced the mean wait time. Which evidence most directly tests that claim?

  1. One person's favorite color.
  2. Comparable wait-time measurements before and after.
  3. The crossing's nickname.
  4. The sign's font size alone.
A hint

Find exactly what the claim says before deciding which evidence could test it.

Answer & why

Answer: Comparable wait-time measurements before and after.

The claim concerns a measured change in waiting time.

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Question 6

Which statement is explicitly a preference rather than a count?

  1. The room has 12 chairs.
  2. I prefer a quiet reading corner.
  3. The survey contains 40 responses.
  4. The path is 200 meters long.
A hint

Find exactly what the claim says before deciding which evidence could test it.

Answer & why

Answer: I prefer a quiet reading corner.

The word prefer reports a value or choice, not a numerical measurement.

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