"single selection" is correct and usable in written English.
You can use it to refer to a situation in which a person or group has only one option to choose from. For example, "In the single selection election, voters had only one choice for mayor."
Figure 5 shows group maps of the voxels selected from each attention direction (before they were merged to a single selection).
Similar to Eastough and Miller [ 9], this study does not correct for selectivity bias that would require a more complex selection mechanism than the single selection mechanism.
There are six races at Ascot today and you must post a single selection for each race.
There are seven races at Cheltenham today and you must post a single selection for each race.
Having too many options, it seems, made it harder to settle on a single selection.
The silvicultural method applied in this forest is single selection cutting.
In Eq. 5, α is the power factor that influences the effect of single selections (α > 1).
The American press acclaimed Europe's captain Sam Torrance as the hero of the Ryder Cup after his singles selection created their sensational success.
Whereas polls are "linear, single-selection tools" and forums, Twitter, Facebook, and blog comments are more conversational but less structured, "organizing things into lists comes extremely naturally to people", say its makers.
In contrast with other improvements on the SELEX method, which use a greater number of selection steps with the native protein [40], [41] or the recombinant protein [42], we used a single-selection step with a preset amplification of the library.
We extend previous work which considered single relay selection to the selection of two or four such relays, as is required in distributed space time coding.
