Generalizability depends on delineation or definition of the variables under study (how the researchers operationalize them), as well as methods of measurement and the sample under observation.

As a single example of the potential utility of ... s waist-worn 24-h free-living accelerometry data. These variables extend the study of accelerometer-determined sleep period time (anchored ...

This Letter shows that including an inflation-output gap interaction variable can often help improve the accuracy of Phillips curve inflation forecasts, both in-sample and out-of-sample. Kevin J.

It shows how psychological variables have an impact on patients' physical well-being and quality of life. The study, which ...

Some recent research has suggested that macroeconomic variables ... This is the case for all three variables shown in Figure 2. For example, we can be reasonably confident that the value of the ...

It shows how psychological variables have an impact on patients' physical well-being and quality of life. The study, has which involved more than 200 children and adolescents, has carried out ...