The Annals of the American Academy of Political and Social Science, Vol. 578, What Works in Preventing Crime? Systematic Reviews of Experimental and Quasi-Experimental Research (Nov., 2001), pp. 50-70 ...

Sound experimental design is of vital importance when conducting any scientific experiment. Choices made at the design stage have the potential to drastically impact the results of any study. A strong ...

Once you have determined your research question, the next step is to decide on a research design. As random assignment tends to be challenging in SoTL, most projects tend to fall into the ...

The information needed to determine the internal and external validity of an experimental study is discussed. Internal validity is the degree to which a study establishes the cause-and-effect ...

When randomised controlled trials are not possible to conduct due to feasibility, ethical, or policy reasons, quasi-experimental study designs can be used to evaluate the causal impact of health ...

Each year the criminal justice system in the United States costs taxpayers about $280 billion USD, which funds municipal policing and the maintenance of state prisons and local jails. Experimental ...