A researcher measures the effectiveness of an anti-doping advertisement campaign by measuring the number of arrests for doping before and after the campaign. One problem is that police initiate a crackdown on doping during this same time. What type of threat to internal validity does this describe?
What will be an ideal response?
Ans: History effect
Learning Objective: 7-5: Describe factors that threaten the internal validity of a research study.
Cognitive Domain: Application
Answer Location: History and Maturation
Difficulty Level: Moderate
You might also like to view...
The construction of meaning required to develop important social understandings takes time and is facilitated by which of the following?
A. Interactive activities B. Clear explanations C. Modeling by teachers D. Students solving problems and making decisions E. All of the above F. None of the above
Suppose that a child in a class grabbed his neighbor’s coloring paper and ripped it up. Briefly explain how a teacher would deal with this behavior by using guidance.
What will be an ideal response?
The stages of personal and social development are played out in constant interaction with others and with society as a whole. During initial stages, the interactions are primarily with:
a) parents and other family members. b) the school. c) social networks. d) the individual.
The U. S. Office of Education was made a cabinet position by which President?
a) Roosevelt b) Bush c) Carter d) Clinton