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Difficulty: HardRuling Out Alternate Explanations (Defender)

Sociologist: A comprehensive ten-year study tracked adolescents and their video gaming habits. The researchers found that adolescents who predominantly played cooperative multiplayer video games exhibited significantly higher scores on standardized assessments of real-world conflict resolution than adolescents who predominantly played competitive single-player games. Based on these findings, we can safely conclude that engaging in cooperative multiplayer gaming actively fosters and enhances a teenager's ability to resolve interpersonal conflicts.

Which one of the following is an assumption on which the sociologist's argument depends?

  1. A
    The number of hours an adolescent spends playing cooperative multiplayer games is directly proportional to their score on standardized conflict resolution assessments.
  2. B
    Any adolescent who consistently plays cooperative multiplayer games will experience a measurable improvement in their real-world conflict resolution skills.
  3. C
    Adolescents who do not play cooperative multiplayer video games cannot develop highly effective conflict resolution skills.
  4. Adolescents who already possess an inherent aptitude for conflict resolution are not significantly more likely to choose cooperative multiplayer games over competitive ones.Answer
  5. E
    Competitive single-player games actively diminish an adolescent's baseline ability to navigate interpersonal conflicts.

Answer

The correct answer is the one stating that adolescents with preexisting conflict resolution skills are not disproportionately drawn to cooperative games.
The sociologist commits a classic correlation-to-causation flaw by assuming that because cooperative gaming and conflict resolution skills appear together, the gaming must cause the skills. A critical alternate explanation for this correlation is self-selection bias (reverse causality): perhaps teenagers who are naturally empathetic and good at resolving conflicts simply prefer cooperative games. For the sociologist's conclusion to stand, this alternate explanation must be false. The correct option explicitly rules out this alternate explanation, defending the original causal claim. When subjected to the Negation Test, the argument collapses, proving this assumption is logically necessary.

Step-by-Step Solution

1
Analyze the argument's structure to identify the premise and conclusion.
Premise: There is a correlation between playing cooperative games and having higher conflict resolution scores. Conclusion: Playing cooperative games causes an enhancement in conflict resolution skills.
Identifying the shift from a correlational premise to a causal conclusion is essential for spotting the logical gap.
2
Determine the type of assumption required by the question stem.
The phrase 'depends on' indicates a Necessary Assumption question.
Necessary assumptions must be true for the argument to survive. We must use the Negation Test to verify the correct answer.
3
Identify potential flaws or alternate explanations for the causal conclusion.
The correlation could be caused by reverse causality (selection bias): teens who are already good at resolving conflicts naturally prefer to play cooperative games.
In causal arguments, the author always assumes there are no alternate causes, no reverse causality, and no third-variable confounders.
4
Evaluate the choices looking for a 'Defender' assumption that rules out an alternate explanation, and apply the Negation Test to the strongest candidate.
Negating the correct option yields: 'Adolescents who already possess an inherent aptitude for conflict resolution ARE significantly more likely to choose cooperative multiplayer games.'
If this negated version is true, the conclusion falls apart because the gaming didn't cause the skill; the skill caused the choice of gaming. Therefore, the original statement is strictly necessary.

Key Concept

Defender Assumptions in Causal Arguments
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Topics

Ruling Out Alternate Explanations (Defender)

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