Compare Re-Runs without Overclaiming
Compare the stated inputs and conditions before interpreting different outputs.
About 22 minutes, plus any extended practice
Supplied materials
- Paper and pencil; answers may also be spoken or typed.
- All cases, labels, numbers and rules are supplied on this page. No real account, private information or purchase is needed.
Learn the idea
Re-running a method can reveal whether a result follows from its stated inputs. Different inputs or a different random setup can legitimately change output. A discrepancy should prompt investigation of the data, method and environment. Neither agreement nor disagreement automatically establishes which causal story is true.
Compare the stated inputs and conditions before interpreting different outputs. Matching one number does not establish every output or real-world claim.
Use this supplied case: Data/code/settings identical and checked result agrees. Which comparison situation is stated? The task is to connect the given information to the computing idea. Write a short evidence trail so another learner can reproduce your choice. The simplified case describes the stated model, not every real system.
- Represent the supplied worked case with a labeled drawing, table or short trace.
- Compare the stated inputs and conditions before interpreting different outputs.
- Explain why the worked answer fits and why one alternative does not.
- Try the new check and practice cases; revisit the stated rule if your evidence does not match.
See the method in action
Data/code/settings identical and checked result agrees. Which comparison situation is stated? The supported answer is Same inputs, output matches. Compare the stated inputs and conditions before interpreting different outputs. Matching one number does not establish every output or real-world claim. Re-running a method can reveal whether a result follows from its stated inputs.
Check your reasoning
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Helpful tips
- Compare the stated inputs and conditions before interpreting different outputs.
- Matching one number does not establish every output or real-world claim.
See the answer and explanation
Same stated inputs, mismatch
The supplied case states: Data/code/settings identical but checked result differs. Which comparison situation is stated? Under the stated distinction, this identifies Same stated inputs, mismatch. Re-running a method can reveal whether a result follows from its stated inputs. Different inputs or a different random setup can legitimately change output. A discrepancy should prompt investigation of the data, method and environment. Neither agreement nor disagreement automatically establishes which causal story is true. Compare the stated inputs and conditions before interpreting different outputs.
Take it further
Two runs use identical code but different thresholds 0.5 and 0.8. Expected: outputs may differ legitimately; compare settings before labeling an implementation defect.
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More practice: try new cases
Choose an answer for each problem. Explain your method on paper, then use the feedback to decide what to revisit.
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Check the subject sources
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