Results 11 to 20 of about 5,472,250 (305)
An Introduction to Experimental Design Research [PDF]
Design research brings together influences from the whole gamut of social, psychological, and more technical sciences to create a tradition of empirical study stretching back over 50 years (Horvath 2004; Cross 2007).
Cash, Philip +8 more
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The association between postoperative corneal edema and phacoemulsification level [PDF]
To evaluate the effect of phacoemulsification level on postoperative central corneal thickness (CCT) differences and to assess the effects of demographic characteristics, biometric values and surgical parameters of patients on postoperative corneal edema.
Uyar, Enes
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Hydrodynamic self-cleaning of plate heat exchangers with spherical dimples
Method of continuous hydrodynamic cleaning of plate heat exchangers with spherical dimples by a working medium blown through bypass ducts from high-pressure zones to low-pressure zones of adjacent dimples has been developed and experimentally validated ...
V. V. Takmovtsev +3 more
doaj +1 more source
Experimental and Quasi-Experimental Research in CSCL
(Quasi-)experimental designs play an important role in CSCL research. By actively manipulating one or several independent variables while keeping other influencing factors constant and through the use of randomization, they allow to determine the causal effects of such independent variables on one or more dependent variable(s) that may be of interest ...
Janssen, Jeroen, Kollar, Ingo
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Analysis of variance, experimental design and the reshaping of research at Rothamsted Experimental Station, 1919–1933 [PDF]
During the twentieth century statistical methods have transformed research in the experimental and social sciences. Qualitative evidence has largely been replaced by quantitative results and the tools of statistical inference have helped foster a new ...
Giuditta Parolini +2 more
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Explanatory research has the goal of verifying a scientific hypothesis regarding the causal relationship between a set of response characteristics and a set of explanatory characteristics of a target population. The experiment is the explanatory research method par excellence.
Ivana Kleinedlerová, Peter Kleinedler
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Faraday's “Experimental Researches” [PDF]
MR. SILVANUS P. THOMPSON, of Bristol, has made, in NATURE (vol. xvii. p. 304) an inexplicable attack upon my issue of Faraday's “Experimental Researches in Electricity”, 3 vols. 8vo. 1839–55, unwarranted by logic or facts.
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Survey of the quality of experimental design, statistical analysis and reporting of research using animals [PDF]
For scientific, ethical and economic reasons, experiments involving animals should be appropriately designed, correctly analysed and transparently reported.
Festing, Michael F. W. +33 more
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Is experimental research passé [PDF]
In perusing the contents of this issue, I discovered that, once again, the majority of the papers are not experimental. There are several qualitative studies—of teachers’ attitudes to student feedback, reflective learning for continuing education, residents’ perceptions of outpatient teaching, and assessment expert’s view of the framework for ...
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