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2 Uncertainty and Inference Online Quiz Questions

Use this free practice quiz with 20 questions to review 2 Uncertainty and Inference, test your knowledge, and prepare for your next test or exam.

20 questions
01
True or false
1 point

True or false: Researchers should consider the possible consequences of sharing a precise location for a culturally sensitive archaeological site.

  1. A

    True

  2. B

    False

02
Choose one
1 point

Researchers survey only archaeological sites that are easy to reach, then use their findings to describe all sites in a region. Which source of uncertainty most directly limits that conclusion?

  1. A

    Measurement error

  2. B

    Sampling bias

  3. C

    Natural variation

  4. D

    Interpretive disagreement

03
Fill in the blank
1 point

The statement “charred seeds of a plant were found in the excavated area” is an .

04
True or false
1 point

True or false: If researchers lack evidence that favors either of two outcomes, they can conclude that the outcomes are equally likely.

  1. A

    True

  2. B

    False

05
Written response
1 point

What concept describes how likely a clearly specified outcome is?

06
Choose one
1 point

Several measurements support a conclusion, but all use the same underlying assumption. What is the most careful way to assess the strength of this evidence?

  1. A

    Count every measurement as a separate line of evidence, regardless of how it was produced.

  2. B

    Prefer the explanation supported by the largest number of measurements.

  3. C

    Check whether the methods rely on shared assumptions before treating their results as independent support.

  4. D

    Ignore agreement among methods if any one result is uncertain.

07
Written response
1 point

What source of uncertainty arises when some kinds of evidence survive more readily than others?

08
Fill in the blank
1 point

Charred seeds show that a plant was present in one excavated area. Because preservation is uneven and the sampled area is limited, these finds alone cannot establish .

09
Choose one
1 point

A research team uses labels such as “low,” “medium,” and “high confidence.” Which practice makes these labels most useful?

  1. A

    Use the labels as if they always correspond to the same probability percentages in every field.

  2. B

    Define the labels and apply them consistently within the relevant assessment.

  3. C

    Replace every qualitative label with a precise percentage.

  4. D

    Treat a high-confidence conclusion as proof that no alternative explanation is possible.

10
Choose all
1 point

Which considerations are relevant when assessing how well a conclusion is supported? Select all that apply.

  1. A

    Assess the relevance and quality of the evidence.

  2. B

    Treat a larger number of sources as sufficient proof, regardless of their quality or dependence.

  3. C

    Check whether findings from different sources are consistent.

  4. D

    Consider whether apparently separate sources rely on the same assumptions.

11
Choose all
1 point

A research team is preparing a report about a culturally sensitive site. Which actions align with responsible research practice? Select all that apply.

  1. A

    Document methods and decisions accurately.

  2. B

    Consult affected communities when their knowledge or interests are relevant.

  3. C

    Publish precise locations of sensitive sites in every report.

  4. D

    Follow applicable law and relevant professional guidance.

12
Choose one
1 point

Two explanations fit the observations, but one is better supported by the available evidence. What should researchers do?

  1. A

    Choose whichever explanation is easiest to communicate.

  2. B

    Treat all plausible explanations as equally supported.

  3. C

    Compare how well the evidence distinguishes this explanation from reasonable alternatives.

  4. D

    Accept the first explanation that fits any of the observations.

13
Open ended
1 point

A team has one measurement supporting a claim and several additional results that agree with it but use the same underlying assumption. Explain how the team should assess and communicate the claim's support. Include a limitation, a reasonable alternative, and one kind of new evidence or analysis that could change the assessment.

14
Choose one
1 point

Charred seeds of a plant are found in one small excavated area. Because plant remains preserve unevenly, what is the strongest conclusion this evidence supports?

  1. A

    The plant was rare across the settlement.

  2. B

    The plant was present at the site, but its prevalence across the settlement is not established.

  3. C

    The plant was common throughout the settlement.

  4. D

    The plant was absent from parts of the settlement that were not excavated.

15
True or false
1 point

If researchers do not know which of two outcomes will occur, the evidence must support both outcomes as equally likely.

  1. A

    True

  2. B

    False

16
Choose one
1 point

Researchers repeat a measurement several times, but every measurement relies on the same assumptions. How should they account for this when judging how independent the evidence is?

  1. A

    The number of measurements alone determines how strong the conclusion is.

  2. B

    Measurements using the same assumptions are always independent if they were taken at different times.

  3. C

    Shared assumptions can limit how much additional support repeated measurements provide.

  4. D

    Repeated measurements cannot contribute to confidence in a conclusion.

17
Written response
1 point

What source of uncertainty arises when the evidence collected may not represent the full population, place, or period being studied?

18
Choose one
1 point

A research team labels a conclusion “high confidence.” Which interpretation best matches the meaning of confidence in evidence-based reasoning?

  1. A

    It describes how well supported a conclusion is, based on the strength and consistency of evidence and its interpretations.

  2. B

    It gives the percentage chance that a particular outcome will occur.

  3. C

    It measures only the number of observations collected.

  4. D

    It means that competing explanations are equally likely.

19
Written response
1 point

In a responsible explanation, what is the term for a finding that is directly observed, as distinct from a conclusion drawn from it?

20
Choose one
1 point

A researcher reads that an assessment uses a calibrated probability range for “likely.” What is the most careful way to use that information when discussing a different field?

  1. A

    The word “likely” always means the same numerical probability in every field.

  2. B

    A qualitative confidence label directly gives the probability of any outcome being considered.

  3. C

    Probability words are interchangeable with confidence labels when the evidence is strong.

  4. D

    Probability ranges from a particular assessment framework should not automatically be treated as universal meanings for words such as “likely.”