Single-cell RNA sequencing (scRNA-seq) has revolutionized modern biology, allowing scientists to study the expression of ...

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 ...

Methods are usually classified as either "experimental" or "observational," a dichotomy that has governed social science research for centuries. By implication, this dichotomization precludes a ...

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 ...

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 ...

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 ...