the effect of in-service education of knowledge, attitude and behavior for controlling hospital infections among nurse's aids working in teaching hospitals supervised by the ministry of medical sciences and health care services (tehran, 1994).

a quasi experimental study was made to determine the effect of in-service education on knowledge, attitude and behavior for controlling hospital infections among nurses aids working in teaching hospitals supervised by the ministry of medical sciences and health care services (tehran,1994).   the sample consisted of 75 randomly selected nurses aids who answered the pre and post in service education tests regarding hospital infection control.   the tool was a 2 parts questionnaire. the first part provided information on personal and social characteristics of the subject and the second, including 50 questions in 3 sections measured knowledge (20 questions), attitude (10 questions) and behavior (20 questions) of the subjects on hospital infection control.   both quantitative and quantitative data were gathered. further descriptive and inferal statistical tests and measures were employed. thus mc nemar test determined the significance of difference in pre and post test scores.   a t2 test was employed for determining the significance of relationships between in service education values and variables like age, sex, education and past experience of the subjects.   the overall findings showed a positive change in nurses aids, knowledge, attitude and behavior regarding hospital infection control (p<0.05). based on the findings suggestions for implementation of measures in nursing service and nursing education were made and further research was recommended.