Category: Uncategorized

A sampling interval of 5 was used to select a sample from a population of 1,000. How many elements are to be in the sample?

Quasi-experiments using nonequivalent comparison groups without random assignment can be credible, assuming that the comparability of the experimental and comparison groups is plausible—especially if the researcher provides substantial evidence of that comparability.

Ethical considerations are invoked by

If a qualitative researcher wanted to learn a community organization’s pattern of recruitment over time, the researcher might begin by interviewing a fairly recent recruit and asking who introduced that person to the organization. Then the researcher might interview the person named and ask who introduced that person to the community organization. This would be an example of

Every kth element in a list is chosen for inclusion in the sample in

Anas is researching the relationship between neighborhood poverty levels and rates of child neglect. He collects data from 50 neighborhoods, calculating the average household income and the number of reported neglect cases per 1,000 children in each area. After analyzing the data, he concludes that individual parents in low-income families are more likely to neglect their children.  Later, peer reviewers point out that his data were collected at the neighborhood level, not the individual level, and that his conclusions attribute group-level characteristics to individual people.  Which of the following best describes his mistake?

Which of the following statements is (are) true regarding practice effectiveness?

A social worker believes that corporal punishment improves behavior because their clients’ parents believe so, and local community leaders support it. However, evidence-based literature shows that corporal punishment does NOT improve behavior.  Which two sources of knowledge conflict here? 

A child welfare researcher tracks the number of future incidents of child neglect reported for each family after participation in a parenting program. The researcher plans to use this variable to evaluate program effectiveness.  At what level of measurement is this variable?

​If a researcher wanted to know why there was a noticeable increase in the number of reported incidents of child abuse in the town of Southpaw during 2005, the researcher would design