Author Question: A researcher in Mississippi measured visits to the school counselor for a group of students for ... (Read 140 times)

dalyningkenk · **on:** Jun 19, 2018

A researcher in Mississippi measured visits to the school counselor for a group of students for three weeks in the spring. In the fall, immediately after a major hurricane, the researcher again measured the students' counselor visits to see if there had been any change. This researcher is using an interrupted time-series design.

a. True
b. False
Indicate whether the statement is true or false

Question 2

When some event other than the program occurs at the same time and affects the outcome of a study, there is a(n) ____ threat.

a. history
b. maturation
c. instrumentation
d. testing