Sentence examples for sample selection issue from inspiring English sources
Thus, any remaining bias in our analysis relating to the sample selection issue would be toward finding a positive association between MRI acquisition and MRI volume.
However, upon comparing well-being across different categories of unemployed, one cannot rule out a sample selection issue - arising in pooled regressions19.
A major shortcoming with both the 2005 and 2009 studies is what economists call a "sample selection issue". The Warren studies conducted a survey of bankruptcy filers from public court records for the years 2001 and 2007, respectively.
1 To correct for a possible sample selection issue, we reweight all of our observations by using the total sum of weights for each stratum in the CIS 3.5 based on the two criteria given in the text.
The differences in findings may relate to differences in research designs, particularly as they relate to sample selection issue, and the specific measures of MRI acquisition used across studies.
There are many papers on the representative sample selection issue, including Kruskall and Mosteller (1979a, b, c, 1980)), Ramsey and Hewitt (2005), Grafström and Schelin (2014), and Omair (2014).
We investigate whether our sample selection criteria led to sample selection issues.
I hope to reduce some concerns regarding the sample selection issues and the definition of some main variables by showing that the descriptive statistics are surprisingly comparable to other studies in the literature.
In addition to the problem of sample selection, the issue of unobserved heterogeneity bias has been widely discussed within the literature both within the context of education/skill mismatch and immigration.
This obscures critical heterogeneity (for instance, the protracted armed conflict in Aceh involved a region which makes up less than 2% of Indonesian population), but it avoids sample selection bias issues.31 Among country-level studies, three especially important ones are Bakke and Wibbels (2006), Brancati (2006), and Christin and Hug (2012).
This creates a sample selection (or endogeneity) issue when attempting to assess the causal impact of onsite MRI acquisition on MRI volume.
