Consider a model with three factors, A, B, and C, but where B is nested within A and C is nested within both A and B. Also consider B and C to be random effects.
Effects to be entered: A, B[A]&Random, C[A,B]&Random
1. In the Select Columns list, select three nominal or ordinal effects, A, B, and C.
2. Click Add.
3. To nest B within A: In the Construct Model Effects list, select B. In the Select Columns list, select A. The two effects should be highlighted.
4. Click Nest.
5. To nest C within A and B: In the Construct Model Effects list, select C. In the Select Columns list, select A and B. The three effects should be highlighted.
6. Click Nest.
7. With both B[A] and C[A,B] highlighted in the Construct Model Effects list, select Attributes > Random Effect.