چکیده (انگلیسی):

ABSTRACT: The present study deals with review of the impact of in- service training courses on experts’
performance in Iranian Airports Holding Company (IAHC) from their managers’ attitude by measurement of 10
elements; namely, quality of work, cooperation, personal learning, growth and development, attitude, initiative and
creativity, work quantity, reliability and trustworthiness, adaptation to environment and reduction of accidents and
errors, rising occupational commitment (loyalty), and occupational and specialized benefits. Methodology of this
study is of applied type in terms of objectives and of quantitative form from data collection facet, and it is of
descriptive type from nature aspect and kind of study while statistical population of this study includes 120
participants from director generals, managers and or heads of departmental headquarters and Iranian Airport
Holding Company (IAHC). According to Morgan’s Table of Sample Space, 92 participants from director generals,
managers and or heads of departmental headquarters and airports have been elected as available sample group.
To collect data, a Realized 44- Question Inventory has been adopted. In order to analyze data, descriptive statistical
methods were utilized ( parameters of central tendency and discrepancy like mean and standard deviation as well
as frequency and its percentile) and to explore into hypotheses of this study and for generalizing of resultant
outcomes from the given sample, inferential statistic techniques were used (Single sample t- test and correlated ttest). And finally, based on results came from this study, in addition to purposing of an effective in - service training
model to Iranian Airport Holding Company (IAHC), some other solutions and suggestions have been offered for
better implementation of such trainings. The resulting outcomes from this study indicate that in- service training
courses affect positively on performance of experts from Iranian Airport Holding Company (IAHC).