Inclusion and exclusion in research

1. In research, strength of evidence is very important. How will a research use inclusion and exclusion criteria
   to contribute to increasing the strength of evidence of the sampling strategy in a research study?
2. What is power analysis and why is it important for a researcher to use power analysis to calculate a sample
   size?
3. As a researcher, having adequate sample size is important. How will having adequate sample size take care
   of /affect of the following:
   a) subject mortality.
   b) representativeness of the sample.
   c) the researcher's ability to detect a treatment effect.
   d) your ability to generalize the study findings to your patient population.

Sample Solution