Development of Brief Positive Affect Treatment (PAT) for Caregivers of Patients With Advanced Cancer

Inclusion Criteria:

* Provision of signed and dated informed consent form
* Stated willingness to comply with all study procedures and availability for the duration of the study
* Males and female adults ≥18 years
* Able to read and speak English
* Caregiver of a patient diagnosed with stage IV solid malignancy, with whom they have been residing for \>6 months
* Access to necessary resources for participating in a technology-based intervention (i.e., telephone, internet access)

Exclusion Criteria:

* Current participation in consistent (self-defined) psychotherapy
* Caregivers who are considered part of a vulnerable population (i.e. cognitively impaired (self-reported or patient-reported), pregnant, military personnel) will not be eligible.