Research into discrimination on the grounds of sexual orientation and identity is becoming increasingly relevant in the workplace. In many nations gay rights have progressed to be in the forefront of the political and social arena and organisations are now turning their focus towards optimising the benefits of increasing workplace diversity. Still, discrimination in the form of heterosexism of GLBT employees continues to be a problem. Heterosexism is defined as a socio-political system that

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... cts, defames, and stigmatises any non-heterosexual type of behaviour, association, or community, with the continued promotion of a heterosexual lifestyle and concomitant subordination of gay, lesbian, bisexual and transgender ones. Although a number of studies have begun to address this issue, large gaps remain in the literature.