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Difficulty: MediumCorrelation vs. Causation

Match each argument demonstrating a causal flaw to the precise description of the logical error it commits.

  • Academic support center data reveals that students who frequently use private tutoring services tend to have lower GPAs than students who study independently. The dean concludes that private tutoring sessions are confusing students and hindering their academic progress.Confuses a causal relationship with its reversal by failing to consider that the stated effect may have actually produced the stated cause.
  • An analysis of municipal records shows a strong correlation between the number of public parks in a district and its annual rate of minor traffic collisions. A local columnist argues that visiting public parks causes citizens to adopt a more reckless mindset behind the wheel.Overlooks the possibility that the two correlated phenomena are not causally linked but are instead independent effects of an unstated third factor.
  • Over the last twenty years, global production of synthetic fabrics has increased dramatically. During the exact same period, the average annual rainfall in the Amazon basin has steadily decreased. A blogger concludes that the manufacturing of synthetic fabrics is causing the drought conditions.Presumes a causal connection between two phenomena on the sole basis that they have both trended in a certain direction over the same timeframe.

Answer

The academic tutoring argument exhibits reverse causality. The public parks argument overlooks a common third factor. The synthetic fabrics argument relies on a coincidental correlation over time.
Each argument commits a distinct variation of the correlation-causation fallacy. The tutoring argument reverses the actual causal direction. The parks argument ignores a broader third factor (like population density) driving both statistics. The fabrics argument takes two entirely independent long-term trends and assumes they are causally linked.

Step-by-Step Solution

1
Analyze the tutoring argument for its causal assumption.
Identified that the dean assumes tutoring causes low GPAs, overlooking the obvious reality that struggling students are the ones who seek tutoring.
To pinpoint the specific flaw of confusing cause and effect.
2
Evaluate the public parks argument's core logic.
Noted that while parks and collisions are correlated, one does not logically cause the other. A common cause, like high population density, explains both.
To recognize the failure to consider a third-variable explanation.
3
Examine the synthetic fabrics argument.
Determined that the argument links two unrelated global trends simply because they occurred during the same twenty-year period.
To identify the flaw of treating a coincidental chronological alignment as proof of causation.

Key Concept

Distinguishing between different types of causal fallacies, including reverse causation, third-variable causes, and coincidental correlation.
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Topics

Correlation vs. Causation

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