Introduction: Training evaluation is an integral part of the education systems which helps managers making better decisions about curriculums. This study aims to investigate effectiveness of a workshop on evaluating health promotion programs which was held for health staffs Of Shahid Sadoughi University of Medical Sciences.

 Method: In this quasi experimental study a workshop on “Evaluating Health Promotion Programs” was evaluated based on Kirkpatrick's model. Data were collected through a self administered researcher designed questionnaire. Data were analyzed by appropriate statistical methods using SPSS V.19.

Results: Mean satisfaction of teaching method and workshop conditions were 38.97±7.89 and 45.67±5.62 respectively. Increasing knowledge had positive correlation with participants' satisfaction of teaching method (r=0.684, P=0.007). Participants' evaluation score about attending in the workshop (18.47±2.67) were positively correlated to workshop Environmental and Managerial conditions (r=0.545, P=0.019). 89.5 % of participants reported that they are willing to evaluate their health promotion programs in the future.

Discussion: For such workshops, teachers' selection teaching methods and workshop conditions should be considered. When using Kirkpatrick model, not only the descriptive results should be reported, but also it is important to report other analytical findings in order to achieve better results.