Ladouceur et al. clinical adults Personal Experimenter observations of Pill sorting task Perceived influence was a RM: NA (1997) influence, behaviours, retrospective better predictor of n=77 OCDS: NA negative questionnaire. responsibility. Increasing consequence, either produces more combined and hesitation, increasing just control. negative consequences or both increases checking, increasing both produces modifications. Shafran (1997) Adults with OCD High and low Diagnostic Interview Schedule, Experimenter present In high responsibility RM: 0.43 responsibility MOCI, Verbal analogue Scale. or not condition- urge to neutralise, n=40 (21 and 19 in OCDS: 0.35 discomfort and estimations of each condition) the probability of threat were all significantly higher. Non-clinical adults High and low The perfectionism questionnaire, a Pill sorting task In both groups- significantly RM: NA Bouchard et al. responsibility retrospective questionnaire. more checking behaviours in (1999) n=41 (24 classed as OCDS: the high responsibility moderately MP:0.44 condition. High perfectionism perfectionistic meant higher responsibility for HP:0.19 [MP], 27 as highly negative events and more perfectionistic influence over negative events [HP]) compared to moderate perfectionism. Non clinical adults Personal Self report questionnaire, Visuo-spacial In the PI and PI+EF RM: 0.81 Mancini et al. influence (PI), retrospective questionnaire. memory task conditions, P’s had (2004) n-47 (~15 in each OCDS: 0.81 PI + significantly more checking condition) expectation of behaviours, doubts failure (EF), performance, and took longer control. than control. PI+EF had more
Ladouceur et al. (1997) clinical adults n=77 Personal influence, negative consequence, combined and control. Experimenter observations of behaviours, retrospective questionnaire. Pill sorting task Perceived influence was a better predictor of responsibility. Increasing either produces more hesitation, increasing just negative consequences or both increases checking, increasing both produces modifications. RM: NA OCDS: NA Shafran (1997) Adults with OCD n=40 (21 and 19 in each condition) High and low responsibility Diagnostic Interview Schedule, MOCI, Verbal analogue Scale. Experimenter present or not In high responsibility condition- urge to neutralise, discomfort and estimations of the probability of threat were all significantly higher. RM: 0.43 OCDS: 0.35 Bouchard et al. (1999) Non-clinical adults n=41 (24 classed as moderately perfectionistic [MP], 27 as highly perfectionistic [HP]) High and low responsibility The perfectionism questionnaire, a retrospective questionnaire. Pill sorting task In both groups- significantly more checking behaviours in the high responsibility condition. High perfectionism meant higher responsibility for negative events and more influence over negative events compared to moderate perfectionism. RM: NA OCDS: MP:0.44 HP:0.19 Mancini et al. (2004) Non clinical adults n-47 (~15 in each condition) Personal influence (PI), PI + expectation of failure (EF), control. Self report questionnaire, retrospective questionnaire. Visuo-spacial memory task In the PI and PI+EF conditions, P’s had significantly more checking behaviours, doubts performance, and took longer than control. PI+EF had more RM: 0.81 OCDS: 0.81
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