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A longitudinal study (or longitudinal survey, or panel study) is a research design that involves repeated observations of the same variables (e.g., people) over long periods of time (i.e., uses longitudinal data). It is often a type of observational study, although it can also be structured as longitudinal randomized experiment. [1]
The National Longitudinal Study of the High School Class of 1972 (NLS-72) was a comprehensive study conducted to track the educational, vocational, and personal development of high school seniors who graduated in 1972. NLS-72 was implemented by the National Center for Education Statistics (NCES), a division of the U.S. Department of Education.
As online education has become the dominant form of distance education, new theories are emerging that combine elements of constructivism and technology. Siemens' Connectivism "is the integration of principles explored by chaos, network, and complexity and self-organization theories".(p. 5 [ 38 ] ) Connectivism places knowledge in "diversity of ...
Distance education, also known as distance learning, is the education of students who may not always be physically present at school, [1] [2] or where the learner and the teacher are separated in both time and distance. [3]
Case–control study versus cohort on a timeline. "OR" stands for "odds ratio" and "RR" stands for "relative risk". 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 factors under study to determine how these factors affect rates of a ...
International English Language Testing System (IELTS / ˈ aɪ. ɛ l t s /) [6] is an international standardized test of English language proficiency for non-native English language speakers. It is jointly managed by the British Council, IDP and Cambridge English, [6] and was established in 1989. IELTS is one of the major English-language tests ...
First-year composition (sometimes known as first-year writing, freshman composition or freshman writing) is an introductory core curriculum writing course in US colleges and universities. This course focuses on improving students' abilities to write in a university setting and introduces students to writing practices in the disciplines and ...
Rather than studying particular individuals across that whole period of time (e.g. 20–60 years) as in a longitudinal design, or multiple individuals of different ages at one time (e.g. 20, 25, 30, 35, 40, 45, 50, 55, and 60 years) as in a cross-sectional design, the researcher chooses a smaller time window (e.g. 20 years) to study multiple ...
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