Which One of the Following Statements About Work-Measurement Methods Is

Multiple Choice

Which one of the following statements about work-measurement methods is TRUE?

A) The two methods of using a stopwatch in time studies are historical and snap-back.
B) The time-study method is usually used for less-repetitive work with no definite work cycle.
C) With the time-study method, the analyst assigns a performance rating factor (RF) to the worker's performance. A value of RF greater than 1 means the worker is slower than a standard worker.
D) The work-sampling method needs many observations.