23 Jun he following are some questio
he following are some questions you may want to ask yourself as you identify limitations with an article and think about the ways in which the limitations may affect the findings and conclusions of a study. You will not necessarily find all of these problems in every single article.
1) How do the researchers define and measure their concepts? Focus on key independent and dependent variables. Do they make sense given the concepts they are intended to represent? If not, how does this affect their findings and the conclusions they can draw?
2) How have the researchers selected their sample? Does the sampling procedure limit or bias the conclusions that can be drawn from the study?
3) Some studies compare groups to determine if they are significantly different on some key dependent variable. Are these groups sufficiently similar to begin with to ensure that pre-existing differences are not responsible for the differences they find on the dependent variable?
4) Do the researchers present basic descriptive statistics on their sample and measures? Do they suggest any obvious problems? Are there lots of missing data?
5) Does they way they have presented and analyzed their data, whether in tables, charts, etc., make sense?
6) Have the researchers adequately addressed alternative explanations that might account for the findings in their study?
7) Sometimes researchers will acknowledge a problem with their study but go on to draw conclusions or make claims that ignore the problem. Researchers will also sometimes go on to make claims that are either unsupported by or unrelated to the particular study they undertook. Have the researchers adequ
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