the tendencyof animals to defend (e.g. through scent markings) a particular geographical area from othermembers of their own species, in order to gain access to and increase control over a resource.
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.