Standard Prior


 * the uniform distribution;
 * the normal distribution;
 * the beta distribution;
 * the gamma distribution.

assessing the standard prior
location of $\theta$ spread of $\theta$ parameter values for a standard prior with matching characteristics

location, mean, median and mode

to assess the spread the variance or the quartiles can be used

M347 note: "This is true for many other standard priors too. Unfortunately, psychological research has shown that it is easier to assess prior quantiles accurately than a prior mean or standard deviation/variance"