| Level 1: | Yij = β0j + β1(positive interaction in focal relationship)j + β2(positive interaction in other relationships)j + β3(friend rel.)j + β4(romantic rel.)j +rij |
| Level 2: | β0j = γ00 + γ01(gender) + u0j |
| β1j = γ10 | |
| β2j = γ20 | |
| β3j = γ30 | |
| β4j = γ40 |
| Level 1: | Yij = β0j + β1(positive interaction in focal relationship)j + β2(positive interaction in other relationships)j + β3(friend rel.)j + β4(romantic rel.)j +rij |
| Level 2: | β0j = γ00 + γ01(gender) + u0j |
| β1j = γ10 | |
| β2j = γ20 | |
| β3j = γ30 | |
| β4j = γ40 |