longitudinal


Also found in: Dictionary, Thesaurus, Medical, Acronyms, Wikipedia.

longitudinal

1. of or relating to longitude or length
2. Psychol (of a study of behaviour) carried on over a protracted period of time

longitudinal

[‚län·jə′tüd·ən·əl]
(science and technology)
Pertaining to the lengthwise dimension.
References in periodicals archive ?
There is a need to go beyond lateral thinking and also do longitudinal thinking.
The capability to integrate primary market research with audited promotional data from PCPs, Specialists and Pharmacists, and merge it with longitudinal patient level data is what sets the company apart from its competition.
Other longitudinal investigations that have examined the long-term effects of interventions on developmental outcomes are found in studies by Olds (Olds et al.
Once again, the longitudinal analysis showed that persistence to their expected graduation in spring, 2001 correlated with hardiness (Lifton, et al.
Create a Longitudinal Data System: Using Data to Improve Student Achievement
Perpendicular and Longitudinal Recording: How They Differ
During the assent/consent process, each participant was told that the purpose of the longitudinal study was to investigate through the words of the students their life experiences, particularly as they related to the goals of the GEAR UP project (i.
Longitudinal research involves repeatedly testing pre-defined measures within the same group of people over a long period of time (Kantowitz, Roediger, & Elmes, 2001; Uncles, 1988).
Further longitudinal epidemiologic and mechanistic studies are necessary to confirm these results and to identify all causes of the childhood asthma epidemic.
Using data from a variety of sources, including the National Longitudinal Survey of Youth, the High School and Beyond study, and the National Longitudinal Study of the High School Class of 1972, Jacobsen and his colleagues at Mathematica essentially confirm Neal and Johnson's findings, providing additional evidence that most of the remaining wage gap is due to differences in cognitive skills, as measured by test scores.
Longitudinal serpentine recording media also have a fixed number of tracks (128 to 204) for digital linear tape (DLT) laid down the length of the tape.