Why should a job candidate's most important contributions be placed first or second in a list of supporting details on a resume? Multiple select question. Those positions are strategically the most effective for highlighting a candidate's best features. This is an unwritten rule for resumes, and the hiring manager will notice if it is disregarded. Those two positions form the deepest impression about the candidate's abilities and attributes. Employers skim resumes and might miss items that are lower on the list