Identify the option exhibiting correct parallel grammatical structure in academic writing:

Answer and explanation

Correct answer: A. The study aimed to collect empirical data, evaluate variance, and synthesize findings

  1. Step 1: Parallelism requires all coordinating verbs following 'to' to share identical grammatical forms.
  2. Step 2: 'To collect... [to] evaluate... and [to] synthesize' provides three parallel base infinitive verbs.
Answer
The study aimed to collect empirical data, evaluate variance, and synthesize findings.
Why not the others: Other options mix gerunds (-ing), infinitives (to ...), and noun phrases (evaluation, synthesis).

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