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Qiong Wu; Liping Gu – Sociological Methods & Research, 2024
Family income questions in general purpose surveys are usually collected with either a single-question summary design or a multiple-question disaggregation design. It is unclear how estimates from the two approaches agree with each other. The current paper takes advantage of a large-scale survey that has collected family income with both methods.…
Descriptors: Foreign Countries, Family Income, Questionnaires, Research Design
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Martin, Florence; Ahlgrim-Delzell, Lynn; Budhrani, Kiran – American Journal of Distance Education, 2017
Systematic reviews of literature are studies that strategically search for published research on a specific topic in order to synthesize what is known about the topic. This systematic review describes 157 articles on synchronous online learning (SOL) from thirty-four different countries on instructional setting, content areas, participant…
Descriptors: Literature Reviews, Educational Research, Synchronous Communication, Electronic Learning