Gerrymandering personnel selection systems is defined as those practices explicitly intended to improve the outcomes of individual applicants or groups of applicants to the detriment of other individuals and groups. Advantages: It provides a clear-cut choice for voters between two main parties. Disadvantages: It excludes smaller parties from ‘fair’ representation, in the sense that a party which wins approximately, say, 10 per cent of the votes should win approximately 10 per cent of the legislative
