| Date | May 2021 | Marks available | 1 | Reference code | 21M.1.HL:.tz0.18 |
| Level | Higher Level | Paper | Paper 1 | Time zone | time zone 0 |
| Command term | Question number | 18 | Adapted from | N/A |
Question
The diagram shows Welford’s model of information processing. What does X represent?
A. Short-term store
B. Decision making
C. Effector control
D. Long-term store
Markscheme
B
Examiners report
Common standard level question. High-difficulty question (63.14 % correctly answered).
