Which of the following is NOT true about word-of-mouth hiring practices?
1) Word-of-mouth hiring constitutes a form of institutional racism
2) Word-of-mouth hiring, whether intentional or not, is a form of discrimination
3) Word-of-mouth hiring has been shown to be a significant hiring method
4) Word-of-mouth hiring is discriminatory when it is used to limit opportunities of applicants of color
Note: justify your answer