in Public Health (B01) 2025-2026 Liberty University
Quiz: Methods Selection
Due Jul 4 at 11:59pm
Points 40
Questions 4
Time Limit 120 Minutes
This quiz is no longer available as the course has been concluded.
Attempt History
Attempt Time Score
LATEST Attempt 1 81 minutes 40 out of 40
Correct answers are hidden.
Score for this quiz: 40 out of 40
Submitted Jun 21 at 1:38pm
This attempt took 81 minutes.
Question 1
pts
Given the following scenario, what research method would be best for evaluating the effectiveness of
vaccination programs in Texarkana? Explain why you’ve chosen this method as the most appropriate for this
case. What data analysis methods then might be used to compare the incidents of measles between the
Texas and Arkansas sides of the city?
Texarkana: Epidemic Measles in a Divided City1
Texarkana is a city of roughly 50,000 that straddles the Texas-Arkansas state line. Texarkana, Texas
(Bowie County), had a population of 29,393 in the 1960 census; the population had been stable during the
1960s. Texarkana, Arkansas (Miller County), had a 1960 population of 21,088. Although Texarkana is
divided by the state line, it is a single town economically and socially. Persons of all ages on both sides of
town have frequent contact. Churches, physicians, offices, movie theatres, and stores draw people from
both the Arkansas and Texas sides of town. People cross the state line to attend social functions such as
football games and school dances. Many families have friends and relatives who visit back and forth on
both sides of town. Private nurseries and kindergartens receive children from both sides of town. The two
sides of Texarkana, however, do have separate public school systems and separate public health
, departments.
On Tuesday, November 3, 1970, the Center for Disease Control (CDC) in Atlanta received the weekly
telegram of surveillance data from the Texas State Health Department. The telegram reported 319 cases
of measles in the state during the previous week. In contrast, Texas had reported an average of 26 cases
per week during the previous four weeks. In follow-up telephone calls, CDC learned from State health