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Devisch, Oswald; Veestraeten, Daniel – Journal of Urban Technology, 2013
Citizen science is a term used to describe the engagement of ordinary citizens in scientific tasks like observation, measurement, and computation. A series of technological innovations, such as the Internet, the upgrade of mobile phones from communication devices to networked mobile personal measurement devices, and the introduction of…
Descriptors: Foreign Countries, Telecommunications, Handheld Devices, Influence of Technology
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Artigas, A.; Costa, A.; Eyraud, C. H.; Perez-Verde, A.; Ros, R. M. – Physics Education, 2011
The European Association for Astronomy Education (EAAE), in collaboration with the Bibliotheca Alexandrina of Egypt and the participation of schools from all around the world, performed the Eratosthenes experiment on 21 June 2010. This activity has been selected as one of the finalists in the 11th international prize organized by Ciencia en…
Descriptors: Science Activities, Scientific Methodology, Foreign Countries, Teaching Methods
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Schluchter, Mark D. – Multivariate Behavioral Research, 2008
In behavioral research, interest is often in examining the degree to which the effect of an independent variable X on an outcome Y is mediated by an intermediary or mediator variable M. This article illustrates how generalized estimating equations (GEE) modeling can be used to estimate the indirect or mediated effect, defined as the amount by…
Descriptors: Intervals, Predictor Variables, Equations (Mathematics), Computation