Methodological challenges in carbohydrate analyses

Methodological Challenges in Online Trials

Health care and health care services are increasingly being delivered over the Internet. There is a strong argument that interventions delivered online should also be evaluated online to maximize the trial's external validity. Conducting a trial online can help reduce research costs and improve some aspects of internal validity. To date, there are relatively few trials of health interventions t...

Overcoming Methodological Challenges

Questions about the relative merits of alternative research strategies

Methodological framework for cluster analyses

Methodological Challenges for Collaborative Learning

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Methodological challenges in measuring child maltreatment.

OBJECTIVE This article reviewed the different surveillance systems used to monitor the extent of reported child maltreatment in North America. METHODS Key measurement and definitional differences between the surveillance systems are detailed and their potential impact on the measurement of the rate of victimization. The infrastructure requirements, quality of information, timely access to dat...