In the last Statistics in small doses, it was concluded that the triangle of study designs can be misleading if viewed as a hierarchy. The clinical trial, sitting as it ...
“State IDs restaurant as source of disease” [Honolulu Star Bulletin, 16 August 2016]“State embargoes suspect scallops” [Honolulu Star Bulletin, 17 August 2016] The Hawaii State Department of Health immediately closed all Genki Sushi ...
From time to time an interesting article appears or an interesting conversation takes place that deserves to be shared among fellow researchers. This Statistics in Small Doses describes an important ...
Inconsistent time points at which measurements are taken Correlation between measures taken at different time points become less meaningful A measure of limb functionality may be obtained from POD1 thru ...
Many commercial software programs can handle all but the most esoteric statistical tests with simple clicks on a computer keyboard. There are even YouTube videos that show which buttons to ...
In research, the value reflecting ‘no effect’ is usually 0 or 1.0. So, like traditional significance testing, if 0 or 1.0 is inside the confidence interval (CI), there is no significant difference ...
“In medical studies investigators are usually interested in determining the size of difference of a measured outcome between groups, rather than a simple indication of whether or not it ...
P-values are often sought as some kind of Holy Grail in science. Arguably one of the most controversial topics in statistics, we start our 2016 series of ‘statistics in small ...
Like humans, frequency distributions come in different shapes. Immediately after surgery, the majority of patients in the PACU may report ‘no to low’ pain on the Numeric Rating ...
This installment of ‘statistics in small doses’ goes hand-in-glove with the previous – Does (sample) size matter? We need not wade through sample size formulae as these are ...