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4 SAFETY BEHAVIOR INCREASES OBSESSION-RELATED COGNITIONS 107 Table 2. Pearson r correlations between questionnaires at the pre-test. Df = 89. CCSimp CCSlik CCSsev OCI-R OCI-Rc OBQ BAI Checklist CCS .80** .86** .87** .31* .26* .28* .24* .52** CCSimp .48** .47** .26* .29* .12 .20 .54** CCSlik .77** .27* .22* .28* .23* .42** CCSsev .26* .13 .32* .18 .35* OCI-R .56** .48** .66** .30* OCI-Rc .22* .26* .26* OBQ-44 .48** .25* BAI .28* * p < .05; ** p < .001 Note. CCS = Checking Cognitions Scale; CCSimp = CCS importance subscale; CCSlik = CCS likelihood subscale; CCSsev = CCS severity subscale; OCI-R = Obsessive-Compulsive Inventory-Revised; OCI-Rc = Obsessive-Compulsive Inventory-Revised checking subscale; OBQ = Obsessive Beliefs Questionnaire-44 Responsibility/Threat estimation Scale; BAI = Beck Anxiety Inventory. CCS subscale importance of checking showed a decrease over Time, F (1,86) = 3.99, p = .049, η p ² = .04, a main effect of Condition, F (2,86) = 4.01, p = .02, η p ² = .09, and a Time x Condition interaction, F (2,86) = 4.52, p = .01, η p ² = .10, see Figure 2, left panel. There was a pre- to post-test decrease in the importance of checking in the monitor group, t (28) = 3.12, p = .004, d = 0.32, a trend for decrease in the control group, t (29) = 1.95, p = .06, d = 0.19, and no change in the experimental group, t (29) = 1.17, p = .25. The likelihood subscale showed a trend for an increase over Time F (1,86) = 3.48, p = .07, η p ² = .04, a trend of Condition, F (2,86) = 3.08, p = .05, η p ² = .07, and no Time x Condition interaction, F (2,86) = 0.47, p = .63, see Figure 2, middle panel. On the severity subscale, there was a trend for an increase over Time, F (1,86) = 3.44, p = .07, η p ² = .04, no main effect of Condition, F (2,86) = 1.23, p = .30, and a Time x Condition interaction, F (2,86) = 5.74, p = .005, η p ² = .12, see Figure 2, right panel. Checking cognitions about the severity of threat increased from pre- to post-test in the