In a random effects situation you can either increase a and/or n to increase the power. You investigate different combinations and find the following:

b. In a random effects situation you can either increase a andlor n to increase the power. You investigate different combinations and nd the following: a = 11, n = 5, 81.6% power a = 9, n = 6, 82.2% power a = 8, n = 7, 83.7% power a = 7, n = 8, 83.6% power If it costs $20 in time and resources to evaluate each teacher once at a school and $100 in time and resources to access a school, which of these options would you choose? Explain your