In this paper, we outline some of the similarities and differences between lesbian and gay psychology (more recently known as LGBT psychology) and feminist psychology. Both fields developed in response to the oppressive practices of psychology; however, lesbian and gay psychologists have been far more willing to using the theoretical and methodological tools of mainstream psychology than have feminist psychologists. Feminist psychologists have enthusiastically embraced qualitative and critical approaches, whereas, until recently, lesbian and gay psychologists have been more cautious about adopting these approaches. Both feminist psychologists and lesbian and gay psychologists have debated which theories and methods best fits with their goal...