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Table 1 Rotated block design to form test booklets

From: Nested multiple imputation in large-scale assessments

Booklet Block position 1 Block position 2
1   TL 02
2 TL 03 TL 04
3 TL 01 TL 07
4 TL 05  
5 TL 04 TL 01
6 TL 06 TL 05
7 TL 09 TL 01
8 TL 07 TL 06
9 TL 07 TL 03
10 TL 09 TL 06
11 TL 05 TL 09
12 TL 08 TL 07
13 TL 04 TL 02
14 TL 08  
15 TL 01 TL 03
16   TL 02
17 TL 02 TL 05
18 TL 06 TL 08
19 TL 08 TL 04
20 TL 03 TL 09
  1. Note. TL = testlet. Empty cells mean that the corresponding position in the booklet is non-occupied. For example, booklet 1 only contains testlet 2.
  2. The booklets were used to link the items in the testlets.