The school-based sample may be considered to be representative of mothers and fathers parenting well-children in the general Jordanian population and it provides descriptive data which can be used for PSS10 norm values of mothers and fathers in Jordan.
Also, ascertaining cases of neurodegenerative conditions in a population-based sample may be costly and logistically challenging, particularly with regard to the asymptomatic or mildly symptomatic nature of early stages of some of the diseases, and the lack of validated instruments and appropriate expertise.
According to previous data [ 17], reliability based on the representative sample may be good to very good.
As a matter of fact, currently the estimate for the overall effectiveness of vaccination in preventing deaths in the Cochrane review (47%; 95% CI: 39 54%), which incorporates the above recent studies and is thus based upon a much larger sample, may be the most reliable one.
In practice, the validation sample may be selected based on the characteristics of a subset, Z, of the covariates in X.
Therefore, we believe that the limited representativeness of our sample may be somewhat compensated based on our clear case control design.
However, the log likelihood function of a DGLM is not obtainable on closed form; hence, estimation based on sampling may be utilized.
Indeed, the Canadian National Aboriginal Health Organization suggested that HPV testing based on self-sampling may be a good alternative to (Pap anicolaou testing to increase participation among First Nation women.
Qualitative findings based on purposive sampling may be transferable or relevant to other populations if key elements of the population and context are similar to those of the original research (Bernard 2010; Patton 2002).
For instance, modifying decision boundary based on all the incoming samples may be computationally expensive.
The IV estimates based on these selective sub-samples may be inconsistent, even when the IVs satisfy the standard assumptions.
