self correlation

16 LETTERS · STARTS WITH S

self correlation is a valid 16-letter word worth 20 points in Scrabble and 24 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

S1E1L1F4C3O1R1R1E1L1A1T1I1O1N1

1 + 1 + 1 + 4 + 0 + 3 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 =20 PTS

DOUBLE WORD → 40TRIPLE WORD → 60

MEANING

What does self correlation mean?