Business research methods function to collect and convert raw data into the information you must have to make good business decisions. However, while all small-business owners should work on ...

This is a preview. Log in through your library . Abstract The choice among a longitudinal, mixed longitudinal, or cross-sectional design is often called for in educational and psychological research.

To provide an overview of the Healthy Lifestyle in Europe by Nutrition in Adolescence Cross-Sectional Study (HELENA-CSS) design, with particular attention to its quality control procedures. Other ...