In recent years, the concept of relationship benefits has attracted increasing attention among marketing researchers and practitioners. Despite a growing body of literature in this area, no generally accepted integrative structure model and outcome model have emerged from the marketing literature. The present paper uses data mining to investigate the structure of relationship benefits based on ...

The logistic regression model has become the standard analyzing tool for binary responses in a variety of disciplines. Methods for assessing goodness-of-fit, however, are less developed and this is especially pronounced in calculating goodness-of-fit tests with sparse data, when the standard tests (deviance and Pearson test) behave unsatisfactorily. In our paper we show two solutions to the pro...

Occupational allergic contact eczema and asthma caused by bleaching agents is seen in hairdressers. Bleaching agents contain persulfate salts, which are known to induce immediate reactions such as rhinitis, asthma, contact urticaria, and anaphylaxis. The immunologic mechanism is not, however, fully understood. The specific inhalation challenge test is considered to be the gold standard for diag...

Para-phenylenediamine (PPD) is the commonest and most well-known component of hair dyes. Oxidative hair dyes and dark henna temporary tattoos contain PPD. Individuals may be sensitized to PPD by temporary henna tattooing in addition to dyeing their hair. PPD allergy can cause severe reactions and may result in complications. In recent years, frequency of positive patch test reactions to PPD has...

Bu çalışmanın amacı, kuaförlerde kas-iskelet sistemi problemlerinin hangi vücut bölgelerinde sık görüldüğünü araştırmak ve üst ekstremite kas iskelet problemleri ile mesleki tükenmişlik düzeyi arasındaki ilişkiyi incelemektir. Kesitsel tipte tasarlanan bu çalışmaya konjenital hastalığı gebelik durumu olmayan, son 6 ay içinde travmatik problemi yaşamamış 78 kuaför dahil edildi. Katılımcıların de...