When Using a Work-Sampling Study

Multiple Choice

When using a work-sampling study,

A) the underlying assumption is that the proportion of time during which the activity is observed in the sample will be the proportion of time spent on the activity in general.
B) the underlying assumption is that small samples of an activity can provide accurate measures of time spent on the activity.
C) an advantage is that the study can normally be concluded in a day or less.
D) the analyst must be highly trained in statistical observation.