When you make observations of a single variable at many consecutive periods in time you are utilizing a(n) ______________.
A) before-and-after design
B) time delayed design
C) time series design
D) after-only design

Question

Quizplus · Accepted Answer

When you make observations of a single variable at many consecutive periods in time, it is called a time series design. Choice A (before-and-after design) involves comparing observations before and after a specific intervention or event. Choice B (time delayed design) involves introducing a delay between an intervention and its observation. Choice D (after-only design) involves making observations only after a specific intervention or event has occurred.

When You Make Observations of a Single Variable at Many