Author Question: In interpreting a time graph, a post-intervention change that appears ________ is difficult to ... (Read 56 times)

FButt · **on:** Aug 4, 2018

In interpreting a time graph, a post-intervention change that appears ________ is difficult to interpret.

A) on the graph
B) steep or sharp
C) slight or gradual
D) None of the above

Fill in the blank with the correct answer.

Question 2

In order for a change in a time graph to be interpreted as significant in a time-series study, the change must

A) not show up very frequently on the graph.
B) be quite sharp.
C) be slight or gradual.
D) persist for a long time.