In one longitudinal study an entire county's population was followed from age 8 to 48.

However, longitudinal studies are both expensive and difficult to do.

They are longitudinal studies that follow the same groups of people throughout their lives.

In Phase 2's longitudinal study, more than 5,000 students will be followed through four years of college.

The longitudinal study is an attempt to respond to this problem.

A longitudinal study done in 2011 focused on these two behaviors.

As a panel survey it is a form of longitudinal study.

She used a massive longitudinal study to research these outcomes.

What can we learn about resilience from large scale longitudinal studies?

The film is the result of many international associations, without which this longitudinal study could not have been completed.

Longitudinal study of direct instruction effects from first through third grade.

A longitudinal study done in 2012 followed a group of adolescents for thirteen years.

Recognising this problem led scholars in the area to make the first serious use of what are called longitudinal studies.

The purpose of these longitudinal studies is to achieve exactly what you propose.

Have any longitudinal studies been made to determine if the results remain consistent throughout a student's progress in school?

When he died, he was hard at work, on a longitudinal study of crime in China.

Drug use and lifestyle among college undergraduates: a 30-year longitudinal study.

However, longitudinal studies could be confounded due to prior test experience.

"We won't know if this has a clinical role until more and larger longitudinal studies are done.

This study suggests that longitudinal studies could observe trends in the community over time.

The book presents data garnered through a longitudinal study on the effects of foreign language learning.

A longitudinal study of adult life experiences and developmental outcomes.

A longitudinal study followed women over 30 years and found that they showed increases in individualism.

However, similar conclusions can also be reached by suitable modeling of the data from longitudinal studies.

Williams conducted longitudinal studies in some of these areas.