The effect of hope group Therapy, based on Snyder’s hope theory on quality of life in cancer patients

Intervention 1: Intervention group: First, the pre-test will be done. The experimental group will participate in 8 sessions of group therapy managed by the researcher and with the presence of psychologists. The content of sessions is designed and implemented Based on the Snyder’s work. Then, the post-test will be done and the results of the pre-test and the post-test will be compared. Intervention 2: Control group: This group will not receive any intervention. The difference of the quality of life, compliance of the pre-test and the post-test will be measured and compared with each other.;Intervention group: First, the pre-test will be done. The experimental group will participate in 8 sessions of group therapy managed by the researcher and with the presence of psychologists. The content of sessions is designed and implemented Based on the Snyder’s work. Then, the post-test will be done and the results of the pre-test and the post-test will be compared.;Control group: This group will not receive any intervention. The difference of the quality of life, compliance of the pre-test and the post-test will be measured and compared with each other. Primary outcome(s): Hope. Timepoint: Before intervention, after intervention. Method of measurement: Snyder’s Hope Scale.;Quality of life. Timepoint: Before intervention, after intervention. Method of measurement: QLQ-C30 Persian. Study Design: Randomization: Randomized, Blinding: Not blinded, Placebo: Not used, Assignment: Parallel, Purpose: Supportive, Other design features: Random assignment of subjects into two groups: First, subjects’ names will be written randomly on paper according to odd and even numbers. then the subjects will be randomly divided into two groups of experimental and control.