A longitudinal study (or longitudinal survey, or panel study) is a research design that involves repeated observations of the same variables (e.g., people)...

independently to each of a parallel group of bit streams. Longitudinal study, a research study that involves repeated observations of the same items over...

A prospective cohort study is a longitudinal cohort study that follows over time a group of similar individuals (cohorts) who differ with respect to certain...

exercise, and common medications such as aspirin, is based on this longitudinal study. It is a project of the National Heart, Lung, and Blood Institute...

embark on their careers The Middle Grades Longitudinal Study of 2017–18 (MGLS:2017), the first longitudinal study of a nationally representative cohort of...

Genetic Studies of Genius, later known as the Terman Study of the Gifted, is currently[update] the oldest and longest-running longitudinal study in the...

population. Cross-sectional studies are descriptive studies (neither longitudinal nor experimental). Unlike case-control studies, they can be used to describe...

A cohort study is a particular form of longitudinal study that samples a cohort (a group of people who share a defining characteristic, typically those...

of policy actions in other nations. A study that uses panel data is called a longitudinal study or panel study. In the multiple response permutation procedure...

The China Study: The Most Comprehensive Study of Nutrition Ever Conducted and the Startling Implications for Diet, Weight Loss and Long-term Health is...

members, or 938 people, participated. This is unprecedented for a longitudinal study, with many others worldwide experiencing more than 40% drop-out rates...

The Grant Study is an 85-year continuing longitudinal study from the Study of Adult Development at Harvard Medical School, started in 1938. It has followed...

study or crossover trial is a longitudinal study in which subjects receive a sequence of different treatments (or exposures). While crossover studies...

The Irish Longitudinal Study on Ageing (TILDA) is a nationally representative longitudinal study of the population of Ireland aged 50 and above. TILDA...

collected in a longitudinal study in which change over time is assessed. A popular repeated-measures design is the crossover study. A crossover study is a longitudinal...

The National Longitudinal Study of Adolescent to Adult Health, also known as Add Health, is a multiwave longitudinal study of adolescents in the United...

The Study of Mathematically Precocious Youth (SMPY) is a prospective longitudinal survey study of persons (mostly in the United States) identified by scores...

The Millennium Cohort Study (MCS) is a longitudinal survey conducted by the Centre for Longitudinal Studies (CLS) at the University of London, following...

nationally representative longitudinal study has shown that this relationship is entirely mediated by school performance. Multiple studies conducted in Scotland...

The Avon Longitudinal Study of Parents and Children (ALSPAC), also known as Children of the 90s and formerly the Avon Longitudinal Study of Pregnancy...

experimental, review, meta-analytic) and sub-type (e.g., descriptive-longitudinal case study), research problem, hypotheses, independent and dependent variables...

Understanding Society, the UK Household Longitudinal Study (UKHLS), is one of the largest panel survey in the world, supporting social and economic research...

different patients and explore the phenomenon of unipolar mania further. Longitudinal studies have been used to assess the validity of unipolar mania as a separate...

The Nun Study of Aging and Alzheimer's Disease is a continuing longitudinal study, begun in 1986, to examine the onset of Alzheimer's disease. David Snowdon...

The Longitudinal Study of Youth is an NIH-NIA funded study by the University of Michigan which has been studying Generation X since 1987. The study asked...

points when re-tested. For example, many children in the famous longitudinal Genetic Studies of Genius begun in 1921 by Lewis Terman showed declines in IQ...

The English Longitudinal Study of Ageing (ELSA) is a longitudinal study that collects multidisciplinary data from a representative sample of the English...

The Australian Longitudinal Study on Women's Health (ALSWH), also known as Women's Health Australia, is an ongoing population-based survey examining the...

treatment; in a "crossover study", each patient receives several treatments but in different order. A longitudinal study assesses research subjects over...

internal investigation as of July 2018. In 2016, the results of a long-term study by the US National Institute of Health (NIH) were released that documented...