a male sex hormone producedby the testes, that is responsible for production of sperm and the development of the secondary sexual characteristics. It has also beenassociated with aggression.
was one ofthe original founders of the humanistic perspective. His theories encompassedthe importance of unconditional and conditional positive regard in development of the 'selfconcept' and 'conditions of worth' set by others. His work has been applied to a rangeof domains, particularly in therapy through his development of'client-centred'(now class="d-title" named 'person-centred'therapy.