Definition: Variable interval reward schedules provide a reward after a roughly consistent amount of time.
It is important that critical parameters are defined and reported in a standard manner, both in terms of definition, variable names, and units.
Mixtures have, by definition, variable composition in time and space and significant differences in water contaminants between areas have repeatedly been shown.
To account for this effect sex was included as a covariate (definition variable coded as 0 for boys and 1 for girls) in the remaining analyses.
The data were analyzed in Mx: different groups were specified for the MZ and DZ twins, and the moderator featured as a so-called definition variable.
Table 1 Definition of variables Variable code Variable definition GDP Per capita economic growth: expansion of a country's economy, expressed in per capita gross domestic product.
Publication year, study period, sample size, databases, definitions, variables, patient and outcome categories, and population subgroups varied widely, portraying a very heterogeneous picture.
Variable Definition Dependent variables for Rate, ∆ε Rate, and RateGAAP ETR Effectivee tax rate, defined as total tax expense divided by pre-tax book income.
Table 8 Definition of variables Variable Unit Definition District Dummy 1 if the household is living in Girawa district; 0 otherwise.
Table 2 Variable definitions Variable Definition Birth weight Birth weight in grams.
