shouldShadowTestBeRefreshed function

(Internal) Determine whether shadowtest should be refreshed

shouldShadowTestBeRefreshed is an internal function for deciding whether a new shadowtest should be assembled.

shouldShadowTestBeRefreshed(
  shadowtest_refresh_schedule,
  position,
  theta_change,
  previous_selection
)

Arguments

• shadowtest_refresh_schedule: refresh schedule.
• position: the position within the current administration (i.e., test progress)
• theta_change: the change in interim theta.
• previous_selection: a named list containing data on what item was selected previously.

Returns

shouldShadowTestBeRefreshed returns a TRUE or FALSE value.