EXAMINED THE SIMILARITY AMONG VERIDICAL EVENT PROBABILITIES, SUBJECTIVE PROBABILITIES INFERRED FROM SS' ESTIMATES OF THE EVENT PROBABILITIES, AND SUBJECTIVE PROBABILITIES INFERRED FROM CHOICES AMONG BETS INVOLVING THE SAME EVENTS. IN 1 CONDITION, SUBJECTIVE PROBABILITIES WERE BASED ON 2 LEVELS (HIGH AND LOW) OF EXPERIENCE WITH THE RELATIVE FREQUENCIES OF THE EVENT OCCURRENCES. THE SIMILARITY BETWEEN THE 2 KINDS OF INFERRED SUBJECTIVE AND VERIDICAL PROBABILITIES INCREASED WITH EXPERIENCE AND, AS EXPECTED IF BOTH ESTIMATES AND BETS WERE BASED ON THE SAME UNDERLYING SUBJECTIVE PROBABILITIES, THE 2 SETS OF INFERRED SUBJECTIVE PROBABILITIES WERE EQUALLY SIMILAR TO EACH OTHER (R = .93) AT BOTH EXPERIENCE LEVELS. IN A 2ND CONDITION, EVENT PROBABILITIES WERE DISPLAYED AND SS USED THEM TO MAKE CHOICES AMONG BETS; THE INFERRED SUBJECTIVE PROBABILITIES WERE HIGHLY CORRELATED WITH THE DISPLAYED VALUES (R = .96). IT WAS POSSIBLE TO ACCOUNT FOR AT LEAST SOME OF THE RESPONSE ERROR VARIANCE BY INDIVIDUAL DIFFERENCES IN TEST ANXIETY. (PsycINFO Database Record (c) 2006 APA, all rights reserved)