Background: Disease-specific Quality Of Life (QOL) measures are devised to assess the impact of a specific disease across a spectrum of important domains of life. The purpose of this study was to ...

PREDICT-PD, the largest cross-sectional Parkinson’s study in the UK, has migrated its participant-facing research operations to Mantal, strengthening its ability to collect high-quality data at scale.

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.

This paper discusses how cross-sectional and longitudinal models of budgeting are complementary but distinct. A number of concepts are appropriate to both, yet the substantive meaning of a concept may ...

New research has revealed that speaking multiple languages may slow the biological processes of aging and protect against ...

The exponential growth of quality of life studies over the last three decades appears to be the cause of increased interest in rigorous evaluation of therapeutic interventions. General-health ...