Transient-evoked otoacoustic emissions are transmitted through the middle ear. The purpose of this study was to investigate the effects of dynamic properties of the transmission system on the measurability of transient otoacoustic emissions. The authors analyzed the presence of transient otoacoustic emissions in 48 children with serous otitis media regarding the tympanogram, presence and type o...

OBJECTIVE To evaluate content, navigation, usability, and impact measurability of a prototype Internet-based self-management intervention for patients with ulcerative colitis. MATERIAL AND METHODS Analysis of 52 Internet diaries that were used in a six-month test trial. Analysis was done using an evaluation framework for eHealth applications that incorporates goals from theory and empirical s...

This research uses transaction cost theory to investigate IT outsourcing, allowing for intermediate modes of outsourcing. Results suggest that the governance mode chosen by firms to govern their IT activities is guided by cost-minimization considerations. The major transactional determinant of the governance mode choice is the need for technical and/or organization skills. This constitutes a st...