Weighting
Assigning a numerical coefficient  to an item to express its relative importance
in a frequency distribution.


Winsorized sample
A sample in which the trimmed values are replaced with the values that were
next in line for trimming.


Word association tests
Tests in which the interviewer says a word and the respondent must mention
the first thing that comes to mind.


Working phone rate
The number of working or assigned residential telephone numbers as a
proportion of the entire sample.


Write-down
The process of having participants write down their views on a topic during
a focus group. Moderators use write-downs to get participants to commit to
their point of view before other participants can influence them.