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"studies have revealed" (231,000) is used less commonly than "studies revealed" (315,000)
but
"studies have shown" (2,850,000) is more common than "studies showed" (543,000).
Would it be wrong or sound wrong if I would always use past tense (studies showed, studies revealed)? The point is that, in the context of my articles, rarely all studies show same results, so I want to avoid the feeling of the "persisting consequence," which present perfect gives.
Studies showed that coffee does not cause any significant dehydration.
"studies have revealed" (231,000) is used less commonly than "studies revealed" (315,000)
but
"studies have shown" (2,850,000) is more common than "studies showed" (543,000).
Would it be wrong or sound wrong if I would always use past tense (studies showed, studies revealed)? The point is that, in the context of my articles, rarely all studies show same results, so I want to avoid the feeling of the "persisting consequence," which present perfect gives.
Studies showed that coffee does not cause any significant dehydration.