Such a model, however, would contain an excessive number of independent variables, impeding estimation of the model.
In addition, methodological limitations such as small sample sizes, insufficient statistical analyses, contraction intensities below 50% of maximal force, or ramp contractions, which incorporate incremental speed of contraction intensity as a confounding variable, impede the results' dependability.
The lack of longitudinal information on control variables impeded investigation into the specific reasons for changes income.
Even with the significant differences observed between visit periods, the overlap could have some influence, but it is difficult to quantify the extent to which this variable confounded and impeded the observation of actual longitudinal differences.
One ICU did not register the variable 'confirmed infection', which impeded the selection of severe sepsis patients based on the definition given in Table 1.
Within the categories of weather, fuels, and topography, we also evaluated which specific variables were most influential in impeding fire spread.
Investigating how this organism's relatively small genetic repertoire produces thriving populations in the variable ocean environment has been impeded by the lack of a genetic system able to create knockouts or other genetic modifications.
Obtaining mature cells like hepatocytes for drug development is impeded by short supply, high cost, and variable quality [ 8].
Style in journalism strives to avoid variables that impede being clearly understood on first reading.
The approach is based on three steps: 1) using species distribution models (SDMs) to predict suitable ranges under future climate change, 2) using the landscape genetics framework to identify landscape variables that impede or facilitate movement, and 3) extrapolating the effect of landscape connectivity on range shifts in response to future climate change.
These variables may impede the natural resistance to the disease cycle of bacterial invasion, demineralization, and dental caries [ 2].
