reinforcing stimulus

NOUN
20 LETTERS · STARTS WITH R

reinforcing stimulus is a valid 20-letter word worth 27 points in Scrabble and 35 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
R1E1I1N1F4O1R1C3I1N1G2S1T1I1M3U1L1U1S1
1 + 1 + 1 + 1 + 4 + 1 + 1 + 3 + 1 + 1 + 2 + 0 + 1 + 1 + 1 + 3 + 1 + 1 + 1 + 1 =27 PTS
DOUBLE WORD → 54TRIPLE WORD → 81
MEANING

What does reinforcing stimulus mean?

NOUN · 1 SENSE
1

(psychology) a stimulus that strengthens or weakens the behavior that produced it.