article_snippet: A study claims friendly staff receive lower wages than friendly staff less agreeable colleagues.
article_snippet: Despite working just as hard, University of Sheffield researchers are often reluctant to push for pay rises, too focused on team work and overly concerned about being liked.
article_snippet: A University of Sheffield study claims friendly staff receive lower wages than friendly staff less agreeable colleagues .
article_snippet: Friendly staff are often reluctant to push for pay rises, too focused on team work and overly concerned about being liked, according to A University of Sheffield study . '
highlights_snippet: Study found friendly staff receive lower wages than unpleasant colleagues .
  
highlights_snippet: friendly staff are often reluctant to push for pay rise and too focused on team work .
  