Which of the following statements best fits with the concept of peer review?

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A scientist's career accomplishments are assessed by other scientists in her field to determine whether or not she receives a promotion.

A legal process takes place by which a jury of citizens assesses an expert's testimony.

An academic journal editor sends an article out for review by several experts in the field to assess methods and conclusions, identify errors, and suggest changes.

A focus group of customers provides feedback on the market potential of a new technology.