Question 1.
a - What determines an appropriate population?
b- What determines adequate sample size?
c- Please interpret: "....the study not be 'too big', where an effect of little scientific importance is nevertheless statistically detectable." And explain.
Question 2. Consider we have a survey. What if we have non-response to particular questions in the survey. What is the impact of this type of non-response to our research? (positive or negative, etc)
Question 3. Consider "participants refuse to answer a certain survey questions during a interview process." What can we learn from this if anything?
Question 4. Please define for sampling and explain the relationships among them:
a) Reliability
b) Validity
c) Accuracy
d) Precision.