Use a lead-in to introduce the list items and to indicate the meaning or purpose of the list (and punctuate it with a colon). When two items are alternatives, use a bulleted list (with or between). Do not use numbered lists for ORed items. For three or more alternatives, indicate that in the list lead-in. When a separate notice or explanatory paragraph follows a item, indent that separate material to the text of the parent list item. Indented material that elaborates on the parent list item.
double-blind procedure-an experimental procedure in which neither the subjects of the experiment nor the persons administering the experiment know the critical aspects of the experiment; a double-blind procedure is used to guard against both experimenter bias and placebo effects.ouble-blind procedure-an experimental procedure in which neither the subjects of the experiment nor the persons administering the experiment know the critical aspects of the experiment; a double-blind procedure is used to guard against both experimenter bias and placebo effects.
On touchscreens, the double-click is called double-tap; it's not used as much as double-click, but typically it functions as a zoom feature. (triple-tap sometimes used to zoom the whole screen.).he maximum delay required for two consecutive clicks to be interpreted as a double-click is not standardized. According to Microsoft's MSDN website, the default timing in Windows is 500ms (one half second). The double-click time is also used as a basis for other timed actions.