Question 1
Which of the following is NOT one of the three ways a researcher may estimate variability?
◦ By examining research objectives against costs
◦ By assuming maximum variability (
p = 50%,
q = 50%)
◦ By seeking previous studies on the population
◦ By conducting a small pilot study
Question 2
Which of the following is TRUE with regard to variability?
◦
p is always less than
q.
◦
q is always less than
p.
◦
p + q = 1.96
◦
q = 100% -
p