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Large-scale Assessments in Education

An IERI – International Educational Research Institute Journal

Table 2 Three-form design based on PISA 2012

From: On imputation for planned missing data in context questionnaires using plausible values: a comparison of three designs

Form

Common block

Rotation blocks

A

B

C

1

1

1

1

0

2

1

1

0

1

3

1

0

1

1

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