A state set a minimum grade point average requirement for students receiving financial aid starting in 2005 .A researcher compared college graduation rates before and after 2005 in both that state and other states in the region .This type of research is
A) A natural experiment
B) A cross- sectional study
C) A case-control study
D) A difference-in-differences study
Correct Answer:
Verified
Q2: The effect of adding fluoride to a
Q3: An evaluator was hired after a homeless
Q4: _ tend to have stronger generalizability, whereas
Q5: A criminal justice professor compared crime rates
Q6: A school compared the grades of students
Q7: Students in a school system with scores
Q8: Researchers used a flip of the coin
Q9: Researchers studied the labor market in Miami
Q10: A study using the General Social Survey
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents