1.American Psychiatric Association. Diagnostic and Statistical Manual of Mental Disorders (DSM-5). Washington, DC: APA; 2013.
2.Brown, TA, Barlow, DH, DiNardo, PA. Anxiety Disorders Interview Schedule for DSM-IV, Adult Version: Client Interview Schedule. New York, NY: Graywind Publications; 1994.
3.First, MB, Spitzer, RL, Gibbon, M, Williams, JB. Structured Clinical Interview for DSM-IV Axis I Disorders. New York, NY: New York State Psychiatric Institute; 1995.
4.Kaufman, J, Birmaher, B, Brent, D, et al. Schedule for affective disorders and schizophrenia for school-age children-present and lifetime version (K-SADS-PL): initial reliability and validity data. J Am Acad Child Adolesc Psychiatry. 1997;36(7):980–988.
5.Silverman, WK, Albano, AM, Barlow, DH. Manual for the ADIS-IV-C/P. New York, NY: Psychological Corporation; 1996.
6.Goodman, WK, Price, LH, Rasmussen, SA, et al. The Yale-Brown Obsessive Compulsive Scale: II. Validity. Arch Gen Psychiatry. 1989;46(11):1012–1016.
7.Scahill, L, Riddle, MA, McSwiggin-Hardin, M, et al. Children’s Yale-Brown Obsessive Compulsive Scale: reliability and validity. J Am Acad Child Adolesc Psychiatry. 1997;36(6):844–852.
8.Lewin, AB, Piacentini, J, De Nadai, AS, et al. Defining clinical severity in pediatric obsessive-compulsive disorder. Psychol Assess. 2014;26(2):679.
9.Storch, EA, De Nadai, AS, do Rosário, MC, et al. Defining clinical severity in adults with obsessive–compulsive disorder. Compr Psychiatry. 2015;63:30–35.
10.Storch, EA, Murphy, TK, Geffken, GR, et al. Psychometric evaluation of the Children’s Yale–Brown Obsessive-Compulsive Scale. Psychiatry Res. 2004;129(1):91–98.
11.Mataix-Cols, D, de la Cruz, LF, Nordsletten, AE, Lenhard, F, Isomura, K, Simpson, HB. Towards an international expert consensus for defining treatment response, remission, recovery and relapse in obsessive-compulsive disorder. World Psychiatry. 2016;15(1):80–81.
12.Storch, EA, Lewin, AB, De Nadai, AS, Murphy, TK. Defining treatment response and remission in obsessive-compulsive disorder: a signal detection analysis of the Children’s Yale-Brown Obsessive Compulsive Scale. J Am Acad Child Adolesc Psychiatry. 2010;49(7):708–717.
13.Tolin, DF, Abramowitz, JS, Diefenbach, GJ. Defining response in clinical trials for obsessive-compulsive disorder: a signal detection analysis of the Yale-Brown obsessive compulsive scale. J Clin Psychiatry. 2005;66(12):1549–1557.
14.Storch, EA, Rasmussen, SA, Price, LH, Larson, MJ, Murphy, TK, Goodman, WK. Development and psychometric evaluation of the Yale–Brown Obsessive-Compulsive Scale – Second Edition. Psychol Assess. 2010;22(2):223.
15.Insel, TR, Murphy, DL, Cohen, RM, Alterman, I, Kilts, C, Linnoila, M. Obsessive-compulsive disorder: a double-blind trial of clomipramine and clorgyline. Arch Gen Psychiatry. 1983;40(6):605–612.
16.Rosario-Campos, MC, Miguel, EC, Quatrano, S, et al. The Dimensional Yale–Brown Obsessive–Compulsive Scale (DY-BOCS): an instrument for assessing obsessive–compulsive symptom dimensions. Mol Psychiatry. 2006;11(5):495–504.
17.Foa, EB, Huppert, JD, Leiberg, S, et al. The Obsessive-Compulsive Inventory: development and validation of a short version. Psychol Assess. 2002;14(4):485.
18.Storch, EA, Bagner, D, Merlo, LJ, et al. Florida obsessive-compulsive inventory: development, reliability, and validity. J Clin Psychol. 2007;63(9):851–859.
19.Koran, LM, Simpson, HB. Guideline Watch (March 2013): Practice Guideline for the Treatment of Patients with Obsessive-Compulsive Disorder. Arlington, VA: American Psychiatric Association; 2013.
20.Huppert, JD, Walther, MR, Hajcak, G, et al. The OCI-R: validation of the subscales in a clinical sample. J Anxiety Disord. 2007;21(3):394–406.
21.Foa, EB, Coles, M, Huppert, JD, Pasupuleti, RV, Franklin, ME, March, J. Development and validation of a child version of the obsessive compulsive inventory. Behav Ther. 2010;41(1):121–132.
22.Abramowitz, JS, Deacon, BJ, Olatunji, BO, et al. Assessment of obsessive-compulsive symptom dimensions: development and evaluation of the Dimensional Obsessive-Compulsive Scale. Psychol Assess. 2010;22(1):180.
23.Storch, EA, Khanna, M, Merlo, LJ, et al. Children’s Florida obsessive compulsive inventory: psychometric properties and feasibility of a self-report measure of obsessive–compulsive symptoms in youth. Child Psychiatry Hum Dev. 2009;40(3):467–483.
23.Abramowitz, JS, Deacon, BJ, Olatunji, BO, et al. Assessment of obsessive-compulsive symptom dimensions: development and evaluation of the Dimensional Obsessive-Compulsive Scale. Psychol Assess. 2010;22(1):180.
24.Phillips, KA, Stein, DJ, Rauch, SL, et al. Should an obsessive–compulsive spectrum grouping of disorders be included in DSM-V? Depress Anxiety. 2010;27(6):528–555.
25.Ehring, T, Watkins, ER. Repetitive negative thinking as a transdiagnostic process. Int J Cogn Ther. 2008;1(3):192–205.
26.Wahl, K, Schönfeld, S, Hissbach, J, et al. Differences and similarities between obsessive and ruminative thoughts in obsessive-compulsive and depressed patients: a comparative study. J Behav Ther Exp Psychiatry. 2011;42(4):454–461.
27.McEvoy, PM, Mahoney, AE, Moulds, ML. Are worry, rumination, and post-event processing one and the same? Development of the Repetitive Thinking Questionnaire. J Anxiety Disord. 2010;24(5):509–519.
28.Turner, SM, Beidel, DC, Stanley, MA. Are obsessional thoughts and worry different cognitive phenomena? Clin Psychol Rev. 1992;12(2):257–270.
29.Schut, AJ, Castonguay, LG, Borkovec, TD. Compulsive checking behaviors in generalized anxiety disorder. J Clin Psychol. 2001;57(6):705–715.
30.Beesdo-Baum, K, Jenjahn, E, Höfler, M, Lueken, U, Becker, ES, Hoyer, J. Avoidance, safety behavior, and reassurance seeking in generalized anxiety disorder. Depress Anxiety. 2012;29(11):948–957.
31.Foa, EB, Kozak, MJ. DSM-IV field trial: obsessive-compulsive disorder. Am J Psychiatry. 1995;152(1):90–96.
32.Eisen, JL, Phillips, KA, Baer, L, Beer, DA, Atala, KD, Rasmussen, SA. The Brown assessment of beliefs scale: reliability and validity. Am J Psychiatry. 1998;155(1):102–108.
33.Eisen, JL, Phillips, KA, Coles, ME, Rasmussen, SA. Insight in obsessive compulsive disorder and body dysmorphic disorder. Compr Psychiatry. 2004;45(1):10–15.
34.Williams, MT, Farris, SG. Sexual orientation obsessions in obsessive–compulsive disorder: prevalence and correlates. Psychiatry Res. 2011;187(1):156–159.
35.Ruzzano, L, Borsboom, D, Geurts, HM. Repetitive behaviors in autism and obsessive–compulsive disorder: new perspectives from a network analysis. J Autism Dev Disord. 2015;45(1):192–202.
36.Zandt, F, Prior, M, Kyrios, M. Repetitive behaviour in children with high functioning autism and obsessive compulsive disorder. J Autism Dev Disord. 2007;37(2):251–259.
37.Ben-Sasson, A, Hen, L, Fluss, R, Cermak, SA, Engel-Yeger, B, Gal, E. A meta-analysis of sensory modulation symptoms in individuals with autism spectrum disorders. J Autism Dev Disord. 2009;39(1):1–1.
38.Eisen, JL, Coles, ME, Shea, MT, et al. Clarifying the convergence between obsessive compulsive personality disorder criteria and obsessive compulsive disorder. J Pers Disord. 2006;20(3):294–305.
39.Mancebo, MC, Eisen, JL, Grant, JE, Rasmussen, SA. Obsessive compulsive personality disorder and obsessive compulsive disorder: clinical characteristics, diagnostic difficulties, and treatment. Ann Clin Psychiatry. 2005;17(4):197–204.
40.Hollander, E, Benzaquen, SD. The obsessive-compulsive spectrum disorders. Int Rev Psychiatry. 1997;9(1):99–110.
41.Shprecher, D, Kurlan, R. The management of tics. Mov Disord. 2009;24(1):15
42.Dell’Osso, B, Altamura, AC, Allen, A, Marazziti, D, Hollander, E. Epidemiologic and clinical updates on impulse control disorders: a critical review. Eur Arch Psychiatry Clin Neurosci. 2006;256(8):464–475.
43.Leckman, JF, Riddle, MA, Hardin, MT, et al. The Yale Global Tic Severity Scale: initial testing of a clinician-rated scale of tic severity. J Am Acad Child AdolescPsychiatry. 1989;28(4):566–573.
44.Fontenelle, LF, Oostermeijer, S, Harrison, BJ, Pantelis, C, Yücel, M. Obsessive-compulsive disorder, impulse control disorders and drug addiction. Drugs. 2011;71(7):827–840.
45.Kashyap, H, Fontenelle, LF, Miguel, EC, et al. “Impulsive compulsivity” in obsessive-compulsive disorder: a phenotypic marker of patients with poor clinical outcome. J Psychiatr Res. 2012;46(9):1146–1152.
46.Obsessive Compulsive Cognitions Working Group. Development and initial validation of the obsessive beliefs questionnaire and the interpretation of intrusions inventory. Behav Res Ther. 2001;39(8):987–1006.
47.Obsessive Compulsive Cognitions Working Group. Psychometric validation of the obsessive belief questionnaire and interpretation of intrusions inventory – Part 2: factor analyses and testing of a brief version. Behav Res Ther. 2005;43(11):1527–1542.
48.Gentes, EL, Ruscio, AM. A meta-analysis of the relation of intolerance of uncertainty to symptoms of generalized anxiety disorder, major depressive disorder, and obsessive–compulsive disorder. Clin Psychol Rev. 2011 Aug 31;31(6):923–933.
49.Tolin, DF, Worhunsky, P, Maltby, N. Are “obsessive” beliefs specific to OCD?: a comparison across anxiety disorders. Behav Res Ther. 2006;44(4):469–480.
50.Abramowitz, JS, Lackey, GR, Wheaton, MG. Obsessive–compulsive symptoms: the contribution of obsessional beliefs and experiential avoidance. J Anxiety Disord. 2009;23(2):160–166.
51.Blakey, SM, Abramowitz, JS, Mahaffey, BL. Do obsessive beliefs predict body image disturbance? J Obsess-Compuls Rel. 2016;11:96–100.
52.Coles, ME, Heimberg, RG, Frost, RO, Steketee, G. Not just right experiences and obsessive–compulsive features: experimental and self-monitoring perspectives. Behav Res Ther. 2005;43(2):153–167.
53.Summerfeldt, LJ. Understanding and treating incompleteness in obsessive-compulsive disorder. J Clin Psychol. 2004;60(11):1155–1168.
54.Summerfeldt, LJ, Kloosterman, PH, Antony, MM, Swinson, RP. Examining an obsessive-compulsive core dimensions model: structural validity of harm avoidance and incompleteness. J Obsess-Compuls Rel. 2014;3(2):83–94.
55.Taylor, S, McKay, D, Crowe, KB, et al. The sense of incompleteness as a motivator of obsessive-compulsive symptoms: an empirical analysis of concepts and correlates. Behav Ther. 2014;45(2):254–262.
56.Pietrefesa, AS, Coles, ME. Moving beyond an exclusive focus on harm avoidance in obsessive-compulsive disorder: behavioral validation for the separability of harm avoidance and incompleteness. Behav Ther. 2009;40(3):251–259.
57.Olatunji, BO, Ebesutani, C, David, B, Fan, Q, McGrath, PB. Disgust proneness and obsessive–compulsive symptoms in a clinical sample: structural differentiation from negative affect. J Anxiety Disord. 2011;25(7):932–938.
58.Summers, BJ, Matheny, NL, Cougle, JR. “Not just right” experiences and incompleteness in body dysmorphic disorder. Psychiatry Res. 2017;247:200–207.
59.da Silva Prado, H, do Rosario, MC, Lee, J, Hounie, AG, Shavitt, RG, Miguel, EC. Sensory phenomena in obsessive-compulsive disorder and tic disorders: a review of the literature. CNS Spectr. 2008;13(5):425–432.
60.Robinson, LJ, Freeston, MH. Emotion and internal experience in obsessive compulsive disorder: reviewing the role of alexithymia, anxiety sensitivity and distress tolerance. Clin Psychol Rev. 2014;34(3):256–271.
61.Olatunji, BO, Wolitzky-Taylor, KB. Anxiety sensitivity and the anxiety disorders: a meta-analytic review and synthesis. Psychol Bull. 2009;135(6):974–999.
62.Timpano, KR, Buckner, JD, Richey, JA, Murphy, DL, Schmidt, NB. Exploration of anxiety sensitivity and distress tolerance as vulnerability factors for hoarding behaviors. Depress Anxiety. 2009;26(4):343–353.
63.Taylor, S, Zvolensky, MJ, Cox, BJ, et al. Robust dimensions of anxiety sensitivity: development and initial validation of the Anxiety Sensitivity Index-3. Psychol Assess. 2007;19(2):176.
64.Olatunji, BO, Broman-Fulks, JJ. A taxometric study of the latent structure of disgust sensitivity: converging evidence for dimensionality. Psychol Assess. 2007;19(4):437.
65.Olatunji, BO, Cisler, J, McKay, D, Phillips, ML. Is disgust associated with psychopathology? Emerging research in the anxiety disorders. Psychiatry Res. 2010;175(1–2):1–10.
66.Olatunji, BO, Armstrong, T, Elwood, L. Is disgust proneness associated with anxiety and related disorders? A qualitative review and meta-analysis of group comparison and correlational studies. Perspect Psychol Sc. 2017;12(4):613–648.
67.Van Overveld, WJM, de Jong, PD, Peters, ML, Cavanagh, K, Davey, GCL. Disgust propensity and disgust sensitivity: separate constructs that are differentially related to specific fears. Pers Individ Dif. 2006;41(7):1241–1252.
68.Olatunji, BO, Cisler, JM, Deacon, BJ, Connolly, K, Lohr, JM. The disgust propensity and sensitivity scale-revised: psychometric properties and specificity in relation to anxiety disorder symptoms. J Anxiety Disord. 2007;21(7):918–930.
69.Lebowitz, ER, Panza, KE, Su, J, Bloch, MH. Family accommodation in obsessive–compulsive disorder. Expert Rev Neurother. 2012;12(2):229–238.
70.Wu, MS, McGuire, JF, Martino, C, Phares, V, Selles, RR, Storch, EA. A meta-analysis of family accommodation and OCD symptom severity. Clin Psychol Rev. 2016;45:34–44.
71.Lebowitz, ER, Scharfstein, LA, Jones, J. Comparing family accommodation in pediatric obsessive-compulsive disorder, anxiety disorders, and nonanxious children. Depress Anxiety. 2014;31(12):1018–1025.
72.Storch, EA, Johnco, C, McGuire, JF, et al. An initial study of family accommodation in children and adolescents with chronic tic disorders. Eur Child Adolesc Psychiatry. 2017;26(1):99–109.
73.Calvocoressi, L, Mazure, CM, Kasl, SV, et al. Family accommodation of obsessive-compulsive symptoms: instrument development and assessment of family behavior. J Nerv Ment Dis. 1999;187(10):636–642.
74.Pinto, A, Van Noppen, B, Calvocoressi, L. Development and preliminary psychometric evaluation of a self-rated version of the Family Accommodation Scale for Obsessive-Compulsive Disorder. J Obsess-Compuls Rel. 2013;2(4):457–465.
75.Wu, MS, Pinto, A, Horng, B, et al. Psychometric properties of the Family Accommodation Scale for Obsessive–Compulsive Disorder–Patient Version. Psychol Assess. 2016;28(3):251.
76.Garcia, AM, Sapyta, JJ, Moore, PS, et al. Predictors and moderators of treatment outcome in the Pediatric Obsessive Compulsive Treatment Study (POTS I). J Am Acad Child Adolesc Psychiatry. 2010;49(10):1024–1033.
77.Kishore, VR, Samar, R, Reddy, YJ, Chandrasekhar, CR, Thennarasu, K. Clinical characteristics and treatment response in poor and good insight obsessive–compulsive disorder. Eur Psychiatry. 2004;19(4):202–208.
78.Himle, JA, Van Etten, ML, Janeck, AS, Fischer, DJ. Insight as a predictor of treatment outcome in behavioral group treatment for obsessive–compulsive disorder. Cognit Ther Res. 2006;30(5):661–666.
79.Eisen, JL, Rasmussen, SA, Phillips, KA, et al. Insight and treatment outcome in obsessive-compulsive disorder. Compr Psychiatry. 2001;42(6):494–497.
80.Alonso, P, Menchón, JM, Segalàs, C, et al. Clinical implications of insight assessment in obsessive-compulsive disorder. Compr Psychiatry. 2008;49(3):305–312.
81.Phillips, KA, Hollander, E. Treating body dysmorphic disorder with medication: evidence, misconceptions, and a suggested approach. Body Image. 2008;5(1):13–27.
82.Himle, MB, Woods, DW, Piacentini, JC, Walkup, JT. Brief review of habit reversal training for Tourette syndrome. J Child Neurol. 2006;21(8):719–725.
83.March, JS, Franklin, ME, Leonard, H, et al. Tics moderate treatment outcome with sertraline but not cognitive-behavior therapy in pediatric obsessive-compulsive disorder. Biol Psychiatry. 2007;61(3):344–347.
84.Merlo, LJ, Lehmkuhl, HD, Geffken, GR, Storch, EA. Decreased family accommodation associated with improved therapy outcome in pediatric obsessive–compulsive disorder. J Consult Clin Psychol. 2009;77(2):355.
85.Thompson-Hollands, J, Edson, A, Tompson, MC, Comer, JS. Family involvement in the psychological treatment of obsessive–compulsive disorder: a meta-analysis. J Fam Psychol. 2014;28(3):287–298.
86.Schmidt, NB, Capron, DW, Raines, AM, Allan, NP. Randomized clinical trial evaluating the efficacy of a brief intervention targeting anxiety sensitivity cognitive concerns. J Consult Clin Psychol. 2014;82(6):1023–1033.
87.Taboas, W, Ojserkis, R, McKay, D. Change in disgust reactions following cognitive-behavioral therapy for childhood anxiety disorders. Int J Clin Health Psychol. 2015;15(1):1–7.
88.Mason, EC, Richardson, R. Treating disgust in anxiety disorders. Clin Psychol. 2012;19(2):180–194.
89.Flessner, CA, Woods, DW, Franklin, ME, Cashin, SE, Keuthen, NJ, Board, TL. The Milwaukee inventory for subtypes of trichotillomania-adult version (MIST-A): development of an instrument for the assessment of “focused” and “automatic” hair pulling. J Psychopathol Behav Assess. 2008;30(1):20–30.
90.Wilhelm, S, Phillips, KA, Steketee, G. Cognitive-Behavioral Therapy for Body Dysmorphic Disorder: A Treatment Manual. New York, NY: Guilford Press; 2014.
91.Tolin, DF, Worden, BL, Wootton, BM, Gilliam, CM. CBT for Hoarding Disorder: A Group Therapy Program Therapist’s Guide. Hoboken, NJ: John Wiley & Sons; 2017.
92.Barlow, DH, Farchione, TJ, Fairholme, CP, et al. Unified Protocol for Transdiagnostic Treatment of Emotional Disorders: Therapist Guide. Oxford: Oxford University Press; 2010.