shouldShadowTestBeRefreshed
is an internal function for
deciding whether a new shadowtest should be assembled.
shouldShadowTestBeRefreshed(
shadowtest_refresh_schedule,
position,
theta_change,
previous_selection
)
shouldShadowTestBeRefreshed
returns a TRUE
or FALSE
value.
refresh schedule.
the position within the current administration (i.e., test progress)
the change in interim theta.
a named list containing data on what item was selected previously.