Ns, both internal and external (i.e., self-guided and containment by others), is the first task and primary goal of trauma treatment. Allen (2001) emphasizes the primary importance of learning to regulate one’s emotional responses in trauma treatment. From this perspective, until containment skills are developed, the processing of traumatic events and memories can be overwhelming, often leading to dangerous abreactions and an increase in symptoms for survivors of trauma. TI-MBSR aligns with both Allen and Herman’s initial phase of trauma recovery, by aiming to establish a sense of safety and affect regulation through training in mindfulness skills and psychoeducation. The development of the TI-MBSR model as a Phase I intervention was intended to allow for the intervention to be offered in spaces where more vulnerable sharing of traumatic narrative may not clinically appropriate or safe (e.g., criminal justice settings). Measures PTSD symptoms–The total score of the PTSD Checklist-Civilian Version (PCL-C) (Weathers, Litz, Herman, Huska, Keane, 1994) was used to assess PTSD symptoms for participants. This 17-item self-report measure was selected due to its excellent reliability, validity, and generalizability to a wide variety of populations (Elhai, Gray, Kashdan, Franklin, 2005; Elhai, Gray, Docherty, Kashdan, Kose, 2007). Responses are rated on a five point Likert scale (1 = not at all, 5 = extremely), with a total score computed by summing scores on each item. The PCL demonstrates convergent validity through its high correlation with the Clinician Administered PTSD Scale (r = .92; Weathers et al., 1994), and high internal consistency (MG-132 web Cronbach’s = .87 in this sample). According to the cutoffs established by Harrington and Newman (2007) via receiver perator characteristic curve (ROC) analysis, a score of 44 or higher on the PCL-C may be considered diagnostic for PTSD among treatment-seeking individuals. Depressive symptoms–The Beck Depression Inventory, Second Edition (BDI-II) (Beck, Steer, Brown, 1996) was used to assess depressive symptoms. This 21-item selfreport measure was selected for its excellent psychometric properties (Cronbach’s = .92 in this sample) and common usage within MBSR studies measuring outcomes for depression (Kabat-Zin, 1982; Smith, 2010; Dutton, Bermudez, Matas, Majid, Myers, 2013;Author Manuscript Author Manuscript Author Manuscript Author ManuscriptJ Clin Psychol. Author manuscript; available in PMC 2017 April 01.Kelly and GarlandPageGrossman, Neimann, Schmidt, Walach, 2004). Responses are rated on a four point Likert scale, with a total score computed by summing scores on each item. Anxious and Avoidant Attachment–The Relationship Structures Questionnaire (RSQ) (Fraley, PF-04418948 molecular weight Heffernan, Vicary, Brumbaugh, 2011) was used to assess attachment patterns in multiple close relationships. Nine items are used to assess avoidant and anxious attachment styles for mother, father, romantic partner, and best friend, including items such as “I usually discuss my problems with this person” and “I’m afraid this person might abandon me.” Internal consistency in the present study sample was high (Cronbach’s = . 88). Responses are rated on a seven point Likert scale (1= strongly disagree, 7 = strongly agree), with a total scores computed separately for the anxious and avoidant subscales. 9. Statistical AnalysisAuthor Manuscript Author Manuscript Author Manuscript Author ManuscriptStudy sample size was determined a.Ns, both internal and external (i.e., self-guided and containment by others), is the first task and primary goal of trauma treatment. Allen (2001) emphasizes the primary importance of learning to regulate one’s emotional responses in trauma treatment. From this perspective, until containment skills are developed, the processing of traumatic events and memories can be overwhelming, often leading to dangerous abreactions and an increase in symptoms for survivors of trauma. TI-MBSR aligns with both Allen and Herman’s initial phase of trauma recovery, by aiming to establish a sense of safety and affect regulation through training in mindfulness skills and psychoeducation. The development of the TI-MBSR model as a Phase I intervention was intended to allow for the intervention to be offered in spaces where more vulnerable sharing of traumatic narrative may not clinically appropriate or safe (e.g., criminal justice settings). Measures PTSD symptoms–The total score of the PTSD Checklist-Civilian Version (PCL-C) (Weathers, Litz, Herman, Huska, Keane, 1994) was used to assess PTSD symptoms for participants. This 17-item self-report measure was selected due to its excellent reliability, validity, and generalizability to a wide variety of populations (Elhai, Gray, Kashdan, Franklin, 2005; Elhai, Gray, Docherty, Kashdan, Kose, 2007). Responses are rated on a five point Likert scale (1 = not at all, 5 = extremely), with a total score computed by summing scores on each item. The PCL demonstrates convergent validity through its high correlation with the Clinician Administered PTSD Scale (r = .92; Weathers et al., 1994), and high internal consistency (Cronbach’s = .87 in this sample). According to the cutoffs established by Harrington and Newman (2007) via receiver perator characteristic curve (ROC) analysis, a score of 44 or higher on the PCL-C may be considered diagnostic for PTSD among treatment-seeking individuals. Depressive symptoms–The Beck Depression Inventory, Second Edition (BDI-II) (Beck, Steer, Brown, 1996) was used to assess depressive symptoms. This 21-item selfreport measure was selected for its excellent psychometric properties (Cronbach’s = .92 in this sample) and common usage within MBSR studies measuring outcomes for depression (Kabat-Zin, 1982; Smith, 2010; Dutton, Bermudez, Matas, Majid, Myers, 2013;Author Manuscript Author Manuscript Author Manuscript Author ManuscriptJ Clin Psychol. Author manuscript; available in PMC 2017 April 01.Kelly and GarlandPageGrossman, Neimann, Schmidt, Walach, 2004). Responses are rated on a four point Likert scale, with a total score computed by summing scores on each item. Anxious and Avoidant Attachment–The Relationship Structures Questionnaire (RSQ) (Fraley, Heffernan, Vicary, Brumbaugh, 2011) was used to assess attachment patterns in multiple close relationships. Nine items are used to assess avoidant and anxious attachment styles for mother, father, romantic partner, and best friend, including items such as “I usually discuss my problems with this person” and “I’m afraid this person might abandon me.” Internal consistency in the present study sample was high (Cronbach’s = . 88). Responses are rated on a seven point Likert scale (1= strongly disagree, 7 = strongly agree), with a total scores computed separately for the anxious and avoidant subscales. 9. Statistical AnalysisAuthor Manuscript Author Manuscript Author Manuscript Author ManuscriptStudy sample size was determined a.
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