| European Organization for Research and Treatment of Cancer Quality of Life Core Questionnaire version 2.0 (EORTC QLQ-C30 v.2.0) [92, 93, 116] |
| Edmonton Symptom Assessment Scale (ESAS) [94, 97, 116, 117] |
| Barriers Questionnaire II (BQ-II) [98] |
| Memorial Symptom Assessment Scale (MSAS) [99, 100] |
| Beck Hopelessness Scale (BHS) [101] |
| Beck Depression Scale (BDS) [101–103] |
| Perceived Social Support From Family Scale (PSS-Fa) [103] |
| Loneliness Scale (UCLA-LS) [103, 104] |
| Memorial Symptom Assessment Scale-Short Form (MSAS-SF) [105] |
| Condensed Memorial Symptom Assessment Scale (CMSAS) [105] |
| Family Satisfaction Scale (FAMCARE Scale) [106, 116] |
| European Organization for Research and Treatment of Cancer Quality of Life Questionnaire-Core 15-PAL (EORTC QLQ–C15–PAL) [107] |
| Three Levels Of Needs Questionnaire (3LNQ Scale) [108] |
| Posttraumatic Stress Disorder Check-List—Civilian Version (PCL-C) [109] |
| Cancer Behavior Inventory-Brief Version (CBI-B) [110] |
| Palliative Performance Scale (PPS) [97, 111, 117] |
| Palliative Prognostic Index (PPI) [111] |
| Delirium Rating Scale (DRS) [111] |
| Functional Assessment of Chronic Illness Therapy–Palliative Care (FACIT-Pal) [112] |
| The Karnofsky Performance Scale (KPS) [113] |
| Patient Dignity Inventory (PDI) [118] |
| The Turkish Version of Palliative Care Outcome Scale (POS) [114] |
| Patient Safety Culture Scale (PSCS) [115] |
| Caregiver Quality of Life Index-Cancer Scale (CQOLC) [119] |
