The article by Hoffmann and Thompson in a recent issue of this Journal represents another attempt to elucidate the complex problems involved in salary scale projections.' The complexity of the problem is attested to by the fact that, from the reader's point of view, the study raised more questions than it answered. The results are interesting, but their usefulness is dependent upon the clarification of certain points regarding the description of the sample and the techniques used. Specifically, were the employees engaged in the same type of office and/or clerical work? Did the type of work vary over time, and if so, to what extent did the changing wage levels represent job promotion and demotions as opposed to changing salary scales for essentially the same position? What effect, if any, did prior experience with a similar employer have on the salaries received? Whether or not one wishes to isolate these factors obviously depends upon the ultimate usage of the data; but some indication of the treatment afforded these items in this study is warranted. In the section consisting of a crosssectional analysis of the salary-age-tenure relationship, the higher coefficient of determination for the tenure-salary (as opposed to the age-salary) relationship is extremely noteworthy. Further examina-