We kept only the significant factors to draw a preliminary model of risk factors for burnout and tested this model on another sample of 861 parents. (link.springer.com)
Unlike those who say they are opposed to an FTA, the undecided group seems to follow a random pattern, with gender being the only significant factor associated with having no opinion. (asiapacific.ca)
They have virtually disappeared from standard economic textbooks, which treat labor and capital as the only significant factors of production. (religion-online.org)