Select the academic word that best completes the sentence:

'The research team discovered a significant ______ between prolonged screen exposure and impaired sleep quality.'

Answer and explanation

Correct answer: C. correlation

  1. Step 1: In academic English, a mutual relationship or statistical connection between two variables is defined as a 'correlation'.
  2. Step 2: The context refers to an observed statistical link between screen time and sleep metrics.
Answer
correlation.
Why not the others: 'deviation' denotes divergence from an established norm or mean; 'discrepancy' refers to an illogical mismatch or inconsistency between two statements or accounts; 'resemblance' means physical or superficial similarity.

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