fa عمومى General پژوهشي Research <span style="font-size:11pt"><span style="line-height:normal"><span style="font-family:Calibri,sans-serif"><b><span style="font-size:9.0pt"><span cambria="" style="font-family:">Purpose:</span></span></b><span style="font-size:9.0pt"><span cambria="" style="font-family:"> The present study aims to investigate the effectiveness of cognitive behavioral therapy (CBT) in reducing stress and anxiety in hospitalized patients.</span></span></span></span></span><br> <span style="font-size:11pt"><span style="line-height:normal"><span style="font-family:Calibri,sans-serif"><b><span style="font-size:9.0pt"><span cambria="" style="font-family:">Methods</span></span></b><span style="font-size:9.0pt"><span cambria="" style="font-family:">: The research method is semi-experimental and pre-test-post-test design with a control group. The statistical population consists of patients hospitalized in Tehran hospitals. 30 people were selected using the convenience method and randomly assigned to two groups (15 people in the experimental group and 15 people in the control group). Research data were collected through the Lavibond and Lavibond (1995) Depression, Anxiety, and Stress Questionnaire. Cognitive behavioral therapy was administered by the researcher in 8 sessions for 4 weeks, two sessions per week, each session lasting 60 minutes, for the experimental group. The control group did not receive any intervention during this period. The test results were calculated using SPSS software.</span></span></span></span></span><br> <span style="font-size:11pt"><span style="line-height:normal"><span style="font-family:Calibri,sans-serif"><b><span style="font-size:9.0pt"><span cambria="" style="font-family:">Results</span></span></b><span style="font-size:9.0pt"><span cambria="" style="font-family:">: The findings of the study indicate that cognitive behavioral therapy has an effect on the level of stress in hospitalized patients and significantly reduces it. Also, cognitive behavioral therapy has an effect on the anxiety of hospitalized patients and significantly reduces it.</span></span></span></span></span><br> <b><span style="font-size:9.0pt"><span style="line-height:115%"><span cambria="" style="font-family:">Conclusion</span></span></span></b><span style="font-size:9.0pt"><span style="line-height:115%"><span cambria="" style="font-family:">: Cognitive behavioral therapy helps patients become more aware of their behaviors, emotions, and problems, and to regulate and manage their behaviors, they pay attention to targeted programs based on cognition and thinking, as well as directing their behavior to reduce stress and existential anxiety</span></span></span> Cognitive Behavioral Therapy (CBT),Stress,Anxiety,Hospitalized Patients, 1 5 http://intjmi.com/browse.php?a_code=A-10-1-683&slc_lang=fa&sid=1 Negin Nikkar 10031947532846008311 0009-0005-7659-2596 Yes Master of Clinical Psychology, Islamic Azad University of Isfahan (Khorasgan) Branch, Isfahan Somayeh Babu Azami 10031947532846008312 10031947532846008312 No Master of Psychology, Islamic Azad University of Sari, Mazandaran Nasim Torabi 10031947532846008313 10031947532846008313 No Master of Personality Psychology, Islamic Azad University, Sciences and Research Branch, Tehran