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The word 'longitudinal' is correct and usable in written English
You can use it when referring to an arranged series of measurements taken over a period of time in order to study the changes that occur. For example: The longitudinal study showed significant changes in attitudes over the course of five years.
Dictionary
longitudinal
noun
Any longitudinal piece, as in shipbuilding etc.
Exact(60)
The ONS' Wealth and Assets survey is a longitudinal survey, meaning that respondents are interviewed more than once, with around a two year interval in the case of this study.
The most recent analysis – Women Play Sport, But Not on TV: A Longitudinal Study of Televised News Media – showed that in 2009 the proportion of airtime devoted to women's sports "dropped precipitously to 1.6%, by far its lowest level in any year measured over the past two decades".
However, some Aussie researcher set out to answer the age old question "Where have all the bloody teaspoons gone?" with a longitudinal cohort study.
James Smith of Rand, a Californian think-tank, is undertaking a longitudinal survey of recent immigrants to America.
When you herky-jerk this funding around for arbitrary short-range budget goals, you screw up five-year-long longitudinal studies, or, if the NIH determines to maintain funding for long-term projects, you make it impossible to start new research.And for what?
In 2012, Gulliver posed the question of how airlines should accommodate large travellers of a different dimension lateral rather than longitudinal.
The plywood floor was replaced with an all-metal one, which improved the fuselage's torsional and longitudinal rigidity.
They are longitudinal, not cross-sectional: the authors have repeated observations over a number of years (in this case, six).
Her somewhat anecdotal research methods a small longitudinal sample, coupled with many stories from her counselling work make many other academics squirm.
What if that person has quarterly results to report on, or the results of a multi-year longitudinal study to write up for a peer-reviewed journal?
What do they get out of it?A review by the OECD, a club of mainly rich countries, examined longitudinal studies of children born around the turn of the century in America, Australia, Britain and Denmark.
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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com