From well-known results on the random effects model (e.g., Graybill, 1976;

Jeyaratnam and Othman, 1985), it follows that 

Use these result to derive an alternative estimate of ρWI.

Transcribed Image Text:

estimates BSSW= (-Y) J-1 + Jnj and WSSW= (Yij-;) Jn (n; - 1) estimates Jnj