The major weakness of the time series design is the failure to control ________.
A) instrumentation
B) selection bias
C) history
D) mortality

Question

Quizplus · Accepted Answer

The major weakness of the time series design is the failure to control history, which refers to all of the events that could occur during the study period that are not part of the intervention being examined. This can make it difficult to determine whether any observed changes in the outcome variable are due to the intervention or to other factors that occurred during the same time period. While instrumentation, selection bias, and mortality can also be potential weaknesses in research designs, they are not specific to the time series design.

The Major Weakness of the Time Series Design Is the Failure