(. . 3) , . , , . , -, , .
60- . . : . (Roman High Avoidance, RHA, Roman Low Avoidance, RLA). 70- (Driscoll, Battig, 1982; Fernandez-Teruel et al., 1997).
, RHA RLA .
.
70- (SyracuseHighAvoidance, SHA, SyracuseLowAvoidance, SLA). , , , ( ), . -. 577 40 60 , SLA . SLA , (. . ) SHA. , , . , , . , , . SLA, RLA, , . . .
, , RLA SLA, , .