This page has the following:
(Adapted from materials provided by Thomas Angelo with permission.)
How complex is the assessment option you are considering? 'Guesstimating' the following may help you assess your planned assessment methods:
Likely cost
low
medium
high
Extra work
low
medium
high
Time required
low
medium
high
Number of people required
low
medium
high
Estimated complexity
low
medium
high
if it works well low medium highlow
medium
high