Exam 4: Classifying Research

A recent analysis of domestic violence in a northern city reveals that domestic violence incidents tend to increase during the coldest months of the year (i.e., winter) and decrease during the warmest months of the year (i.e., summer) In this case, we would say which of the following about the correlation between temperature and domestic violence?

A researcher who objectively measures age by the number of anniversaries of a person's birthdate is using what type of measure?

A researcher conducts a survey of state prisons to determine how much time it takes officials to process newly admitted inmates into the prison system. What is the researcher's unit of analysis?

To understand the changing demographic characteristics of juvenile offenders, a researcher will survey a random sample of 1,000 juvenile offenders every five years over the next 15 years. What is the time dimension of this research project?

A researcher concludes, "The data reveal that an increasing number of teens involved in traffic accidents report that they were texting at the time." Based on this statement, what was the most likely purpose of this research project?