The following discussion is based on the framework of Campbell and Stanley, [1] in that specific threats to establishing a cause-and-effect relationship (i.e., internal validity) are associated with ...

There is a distinction that one learns about on the first day of a course in psychological research methods. It is the difference between internal and external validity. Internal validity is ...

Experimental design plays a crucial role in various research areas, providing a systematic framework for conducting experiments and obtaining reliable and interpretable results. Experimental design is ...

There is a distinction that one learns about on the first day of a course in psychological research methods. It is the difference between internal and external validity. Internal validity is ...

Amid growing concerns about the poor design of animal experiments and its implications for the translatability of experimental results, Michael F. W. Festing thinks it's time we do something about it.

In research, the results of studies must be precise and reproducible. Behavioral scientists have been able to demonstrate that a new experimental design can improve the reproducibility and validity of ...

Experimental economics is a sub‐discipline that employs controlled laboratory and field settings to investigate economic behaviour, test theoretical predictions, and inform policy. By designing ...

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 ...