background considering patients’ needs and expectations in the process of healthcare delivery improves the quality of services. this study aimed to investigate the responsiveness of general public and private hospitals in mashhad, iran.   methods in this cross-sectional and explanatory study, hospitalized patients (with at least 2 days of stay) in general private and public hospitals in mashhad...

with error bars of 2 SD, the results may be seen in perspective (fig. 1, lower panel). The investigators described repeat testing for differences between the groups by Student's unpaired t test or by Mann— Whitney U test, and stated that they then confirmed the differences by analysis of variance or by Kruskal-Wallis. However, it is invalid to test repeatedly by Student's or by Mann-Whitney unl...