Identify the phrase that makes the researchers' conclusion illogical: 'Because the experiment's results were consistent across all trials, the researchers concluded that the effect was probably due to random chance.'

Answer and explanation

Correct answer: B. The phrase 'random chance'

  1. Step 1: Consistent results across all trials point to a real, repeatable effect. Step 2. The phrase 'random chance' contradicts that, so it makes the conclusion illogical. Answer: The phrase 'random chance'. Why not the others: 'consistent', 'trials' and 'concluded' are consistent with the logic of an experiment that supports a real effect.

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