Dr. Jones is conducting some research on two college campuses involving food allergies. At one campus educational information on the diagnosis of food allergies is disseminated (Campus A) while it is not distributed at the other campus (Campus B)

Dr. Jones measures through random email surveys, students' knowledge of food allergies. During the week she is disseminating the information at Campus A the student newspaper also runs a story about students with food allergies which is not part of Dr. Jones' program. If the student newspaper article influences students' knowledge of food allergies, what potential confounding variable is at work in this example?


a. history
b. maturation
c. differential history
d. differential attrition


C

Political Science

You might also like to view...

Katie is an election official. What will help her to eliminate fraud in the election process?

a. early voting b. internet ballots c. bilingual ballots d. a 30-day registration window

Political Science

For all intents and purposes, Iran has two chief executives, an elected president and a senior cleric known as the __________

Fill in the blank(s) with correct word

Political Science

Describe an example of cooperative federalism

What will be an ideal response?

Political Science

Geography affects voting behavior in which of the following ways?

A) Republicans draw their strength from the big cities of the North and East. B) Outside the South, voters in rural areas are more likely to be Democrats. C) Democrats can count on the South in presidential contests. D) West Coast college students rally behind Republican candidates. E) None of the above.

Political Science