Linguist: In a multi-year study of bilingual children, researchers found that those who acquired their second language primarily through unstructured conversational immersion exhibited a significantly higher degree of grammatical flexibility and were more likely to generate novel linguistic structures than those who acquired it through formal classroom instruction. Because formal instruction relies heavily on the rote memorization of rigid syntactic rules, it is evident that such structured educational environments stifle the cognitive creativity naturally associated with language acquisition.
Which one of the following, if true, most seriously weakens the linguist's argument?
- AThe grammatical flexibility exhibited by children in unstructured immersion environments often leads to frequent syntactical errors that require continuous correction.
- BMany formal language classrooms now incorporate substantial periods of unstructured conversational immersion into their curriculum alongside standard rule memorization.
- Children who demonstrate a lower baseline aptitude for spontaneous linguistic pattern recognition are disproportionately channeled by educators into formal classroom instruction.Cevap
- DNo educational environment, regardless of how rigidly structured its curriculum may be, can completely eliminate a child's innate cognitive creativity.
- EFormal classroom language instruction typically penalizes students for deviating from established grammatical models, thereby actively discouraging them from experimenting with novel linguistic structures.
Cevap
Children who demonstrate a lower baseline aptitude for spontaneous linguistic pattern recognition are disproportionately channeled by educators into formal classroom instruction.
The linguist makes a massive causal leap from a simple correlation: because children in formal instruction exhibit less creativity, the instruction must be causing that lack of creativity. The correct answer highlights a severe selection bias by demonstrating that children who already lack a natural aptitude for spontaneous linguistic pattern recognition (a core element of the creativity being measured) are disproportionately placed into formal instruction. This provides a compelling alternative explanation for the study's results: the difference in creativity existed before the instruction even began. By providing an alternate cause for the phenomenon, it severs the causal link the linguist attempted to establish.
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Causal Reasoning: Selection Bias and Alternative Explanations