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 ...

We performed a systematic review of articles published during a 2-year period in 4 journals in the field of infectious diseases to determine the extent to which the quasi-experimental study design is ...

A multilevel meta-analysis can combine the results of several single-subject experimental design studies. However, the estimated effects are biased if the effect sizes are standardized and the number ...

Department of Primary Care and Population Sciences, Royal Free and University College London Medical Schools, Archway Resource Centre, Holborn Union Building, Highgate Hill, London N19 3UA, UK If you ...