This paper examines the effects of systematic and random errors in recall and of selection bias in case–control studies of mobile phone use and cancer. These sensitivity analyses are based on ...
Figure 1 shows that individual measurement values hover around a mean value and the difference between the mean value and true value is the systematic error of ...
Skeptics who still doubt anthropogenic climate change have now been stripped of one of their last-ditch arguments: It is true that there has been a warming hiatus and that the surface of Earth has ...
Oscar Pérez-Priego, Ana López-Ballesteros, Enrique P. Sánchez-Cañete, Penélope Serrano-Ortiz, Lars Kutzbach, Francisco Domingo, Werner Eugster, Andrew S ...
A computer simulation study was conducted to evaluate the effects of pattern on the precision of frequency estimates as determined from random and systematic plot placement. Computer graphics were ...
The method of systematic random sampling (METHOD=SYS) selects units at a fixed interval throughout the sampling frame or stratum after a random start. PROC SURVEYSELECT chooses the first unit randomly ...
With the usage of micropipettes in the life science laboratory, various pipette and pipetting errors have been linked. Users familiar with such micropipette issues can assist users to reduce further ...
When gathering a measurement using a spectroscopy instrument, the user wants to be confident in the result. Whether the technique is OES, XRF, or LIBS, or if thickness or composition are measured, the ...
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