Table 6 Summary of abbreviations
From: Integrating automatic question generation with computerised adaptive test
Abbreviation | Summary |
|---|---|
Item difficulty | |
EST | Item difficulty estimated from test taker‘s scores |
REG | ltem difficulty estimated using linear regression |
ORD | Item difficulty using an ordinal value 1 4 |
AVG | Item difficulty using average item difficulties of items in each group |
CAT simulations | |
LIN_EST | Simulation of the linear test, using EST item difficulty |
CAT_EST | Simulation of CAT, using EST item difficulty (gold standard) |
CAT_REG | Simulation of the CAT, using REG item difficulty |
CAT_AVG | Simulation of the CAT, using AVG item difficulty |
CAT_ORD | Simulation of CAT, using ORD item difficulty |