1- Objectives: To determine the impact of humor therapy on the severity, quality of pain and disability caused by chronic pain in the elderly living in two separate nursing homes in Mashhad.
2- Design: Randomized Clinical Trial; two-group; in two separate degree in nursing homes in the city of Mashhad; Double-blind.
3- Setting and Conduct: Two Nursing Homes That are in a Same Rank of Well-being and Facilities selected and will be divided randomly into intervention and control groups. The Elderly in Nursing Homes Available for Sampling to 32 Patients in each Group are Selected. Humor therapy for 6 weeks, one Session per Week on an Ongoing basis in the Intervention Group was done, while the Control Group does not Perform Certain Actions.
4- Participants including major eligibility criteria: Participants in this study included two separate groups of 32 people in two separate nursing homes; that are a total sample size of 64 older adult. Inclusion criteria: have a desire to participate in the study; over 60 years old and have less than 85; Have at least able to read and write; Have lived in a nursing home for at least three months; Having chronic non-cancer pain for at least 3 months; No history of taking antidepressants or exhilarating; The lack of visual impairment to the extent that it is able at a distance of 6 meters, see fingers; No hearing impaired to the extent that it is able at a distance of 1 meter, hear whispers; No problem in Language to the extent that the Executive be able to answer questions; Lack of drug addiction and drug. Exclusion criteria: refusal to continue participating in the study and collaboration with researcher; absence of more than two sessions, subjects die; leave the nursing home forever, Access physical or mental disorders in the elderly from participating in the meetings during the study.
5- Interventions: Humor therapy for 6 weeks, each week a session of 60 minutes was done, with methods including: Humorous Videos; Humorous Games; Comic stories; Humorous music; Jokes. In the control group, does not take certain actions. Questionnaire required (using a pain intensity and pain quality and disability due to pain) in both groups immediately before the first session, immediately in the third session and after the sixth session will be completed by the researcher and research assistant.
6- Main outcome measures variable: We expected, after treatment for 6 weeks in the experimental group, pain intensity and disability due to pain have reduced and quality of pain in the elderly have changed. In addition, this method as safe and uncomplicated and inexpensive with pharmacological pain relief methods should be used.