الفهرس 
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Abstract
Organizations are continually seeking well trained individuals that possess not only the technical skills to fulfill their roles, but more importantly, the thinking skills to be effective in a constantly changing environment. Critical thinking is a requirement for nurses to be safe, competent and skilful practitioners and suggest it is essential to true autonomy. Furthermore, nurses are expected to be able to think critically in order to process complex data and to make intelligent decisions concerning the planning, management and evaluation of health care for their clients. Therefore, working in ICU environment requires that nurses make rapid and accurate decisions, be knowledgeable about complex scenarios and in general have more responsibility.
The aims of this study was to investigate the relationship between critical thinking dispositions and perception of competence among nurses through: Assessing critical thinking dispositions, as well as assessing competence and Finding out the relationship between dispositions of critical thinking and competence among nurses at Ain Shams University hospitals.
Cross –sectional correlation study was conducted in twelve intensive care units affiliated to the main university hospitals namely; Eldemerdash University Hospital, Ain Shams Hospital, Maternity Hospital & Pediatric Hospital. Nurses who were available at the time of data collection involved in the study and working in the afore mentioned setting, convenient sample included one hundred twenty four nurses, the only inclusion criterion was that a nurse should have at least one year experience in critical care unit and accept to participate in the study.
Data for this study was collected by using two main tools namely California critical thinking dispositions Inventory CCTDI and Nurse Competence scale NCS.
CCTDI consists of 2 parts first part included demographic characteristics of the study subject as age, marital status, work place, educational qualification, and years of experience in nursing. the second part consisted of 75 items grouped into 7 dispositional characteristics, Truth seeking (12) items, Open mindedness (12) items , Analyticity (11) items ,Systematic (11) items, Self-confidence (9) items, Inquisitiveness (10) items and Maturity (10) items.
NCS consists of 73 items divided into 7 competence characteristics, namely: Helping Role (7) items, Teaching / Coaching (16) items, Diagnostic Function (7) items, Managing Situation (8) items, Therapeutic Intervention (10) items, Ensuring Quality (6) items and Work Role (19) items.
The main findings of the study revealed the following:
• Majority of the staff nurses (88%) were having a diploma degree in nursing. There was no statistically significant difference among education level of critical care nurses and total CTD scores.
• More than half of staff nurses (54.76%) at Ain Shams University Hospitals were positively disposed toward critical thinking. With the highest scores (67.43%) were in self-confidences while the lowest scores (43.15%) were in systematicity thinking.
• Majority of staff nurses (65.59%) reported a good competence with the highest scores (71.47%) in Managing situation and the lowest scores(52.21%) in Teaching/ coaching category
• There were significant positive correlations between most of CTD subscales and NCS subscales but there was positive though non-significant correlation between NCS and Total CCTDI score.
Based on the study findings, it is recommended that Critical thinking skills should be a part of the nursing education, as well as a tool to measure nurse competency should be designed and validated with Egyptian Context. Also training courses in critical thinking and competence are needed for the nurses. The nurse leaders should hold regular scheduled meeting and brainstorming session with the nursing staff to maintain open communication channels and enhance the critical thinking and giving them feedback describing the desirable behaviors and their impact on the outcomes of the patient care. Further studies are recommended to enhance the importance of critical thinking as well as the competence among nurses.