selected scholarly activity
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books
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chapters
- Specific Phobia and Social Anxiety Disorder. 242-265. 2018
- Generalized Anxiety Disorder. 149-186. 2017
- Atychiphobia (Fear of Failure). 40. 2015
- Comorbidity. 91-94. 2015
- Differential Diagnosis. 107-110. 2015
- Fear of Germs. 171-172. 2015
- Fear of Strangers (Stranger Anxiety). 172-173. 2015
- Fear of Success. 174-175. 2015
- Test Anxiety. 369-371. 2015
- Cognitive-Behavioral Therapy for Social Anxiety Disorder: Applying the Approach. 498-520. 2014
- Adjusting treatment for partial- or nonresponse to contemporary cognitive-behavioral therapy.. 11-37. 2010
- Specific Phobia and Social Phobia. 207-228. 2008
- Exposure and Response Prevention.. 79-109. 2007
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conferences
- The family and anorexia nervosa: examining parent–child boundary problems†. European Eating Disorders Review. 97-114. 2001
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journal articles
- Are We Measuring ADHD or Anxiety? Examining the Factor Structure and Discriminant Validity of the Adult ADHD Self-Report Scale in an Adult Anxiety Disorder Population. Assessment. 31:1508-1524. 2024
- Neurocognitive performance in the context of acute symptom reduction in OCD: Treatment effects and the impact of BDNF. Journal of Affective Disorders. 362:679-687. 2024
- Changes in harm avoidance and incompleteness across group CBT for OCD and their relationship with symptom change.. Behavioural and Cognitive Psychotherapy. 1-15. 2024
- Partner symptom accommodation in generalized anxiety disorder: a preliminary examination of correlates with symptoms and cognitive behavioural therapy outcome. Behavioural and Cognitive Psychotherapy. 52:1-17. 2024
- Effectiveness and predictors of group cognitive behaviour therapy outcome for generalised anxiety disorder in an out-patient hospital setting. Behavioural and Cognitive Psychotherapy. 52:440-455. 2024
- The genetic architecture of youth anxiety: a study protocol. BMC Psychiatry. 24:159. 2024
- A Rapid Access Brief Psychotherapy Intervention to Respond to Healthcare Workers in Ontario Whose Mental Health was Negatively Impacted During the COVID-19 Pandemic: Une brève intervention de psychothérapie à accès rapide pour répondre aux travailleurs de la santé de l'Ontario dont la santé mentale a été affectée négativement pendant la pandémie de COVID-19. Canadian Journal of Psychiatry. 69:89-99. 2024
- Delay discounting in individuals with anxiety and related disorders compared to healthy controls.. Canadian Journal of Behavioural Science. 2024
- Online versus in‐person delivery of cognitive behaviour therapy for obsessive compulsive disorder: An examination of effectiveness. Clinical Psychology and Psychotherapy. 31. 2024
- Context is belangrijk: kritiek en accommodatie door naasten in relatie tot de behandelattitude van mensen met angstklachten. Gezinstherapie Wereldwijd. 34:262-276. 2023
- Do all obsessions contradict personal values to the same degree? A pilot investigation. Bulletin of the Menninger Clinic. 87:291-312. 2023
- Why Use Cannabis? Examining Motives for Cannabis Use in Individuals with Anxiety Disorders. Behaviour Change. 40:223-239. 2023
- Just do something: An experimental investigation of brief interventions for reducing the negative impact of post-event processing in social anxiety disorder. Journal of Anxiety Disorders. 98:102744-102744. 2023
- The effect of aerobic exercise alone and in combination with cognitive behavioural therapy on obsessive compulsive disorder: A randomized control study. Journal of Anxiety Disorders. 98:102746-102746. 2023
- Psychometric Properties of the Penn State Worry Questionnaire-Past Week (PSWQ-PW) in an Anxiety and Related Disorders Sample. Journal of Psychopathology and Behavioral Assessment. 45:549-557. 2023
- In vivo versus imaginal: Comparing therapists’ willingness to engage in both forms of exposure therapy for repugnant obsessions. Current Psychology. 42:7837-7840. 2023
- Criticism and accommodation are associated with treatment concerns in close others to those with anxiety. British Journal of Clinical Psychology, The. 62:146-157. 2023
- Context matters: criticism and accommodation by close others associated with treatment attitudes in those with anxiety. Behavioural and Cognitive Psychotherapy. 51:21-31. 2023
- Falling into the OCD trap: Are clinicians hesitant to encourage exposure therapy for repugnant obsessions?. Journal of Obsessive-Compulsive and Related Disorders. 36:100766-100766. 2023
- The impact of particular safety behaviours on perceived likeability and authenticity during interpersonal interactions in social anxiety disorder. Behavioural and Cognitive Psychotherapy. 51:46-60. 2023
- An Evaluation of the Diagnostic Assessment Research Tool (DART) Screener for DSM-5 Disorders. Journal of Psychopathology and Behavioral Assessment. 44:1169-1176. 2022
- Correction to: How do close others to those with anxiety feel about treatment? Development and validation of the Treatment Concerns Questionnaire–Close Others. Cognitive Therapy and Research. 46:1170-1171. 2022
- Does cannabis use impact cognitive behavioural therapy outcomes for anxiety and related disorders? A preliminary examination. Journal of Psychiatric Research. 156:690-697. 2022
- How do close others to those with anxiety feel about treatment? Development and validation of the Treatment Concerns Questionnaire–Close Others. Cognitive Therapy and Research. 46:1157-1169. 2022
- Positive Beliefs about Post-Event Processing in Social Anxiety Disorder. Behaviour Change. 39:247-262. 2022
- Face-to-face versus Video Teleconference Group Cognitive Behavioural Therapy for Anxiety and Related Disorders: A Preliminary Comparison. Canadian Journal of Psychiatry. 67:391-402. 2022
- Religiosity, spirituality, and obsessive-compulsive disorder-related symptoms in clinical and nonclinical samples.. Psychology of Religion and Spirituality. 14:208-221. 2022
- Sensitivity and specificity of the Posttraumatic Stress Disorder Checklist for DSM‐5 in a Canadian psychiatric outpatient sample. Journal of Traumatic Stress. 35:424-433. 2022
- Getting High or Getting By? An Examination of Cannabis Motives, Cannabis Misuse, and Concurrent Psychopathology in a Sample of General Community Adults. Substance Abuse: Research and Treatment. 16:117822182211190-117822182211190. 2022
- The Diagnostic Assessment Research Tool in action: A preliminary evaluation of a semistructured diagnostic interview for DSM-5 disorders.. Psychological Assessment. 34:21-29. 2022
- Investigating executive functions in youth with OCD and hoarding symptoms. Bulletin of the Menninger Clinic. 85:335-357. 2021
- Exposure to stressful and traumatic life events in hoarding: Comparison to clinical controls. Journal of Clinical Psychology. 77:2216-2227. 2021
- Getting High or Getting By? An Examination of Motives, Misuse, and Concurrent Psychopathology in a Sample of General Community Adults 2021
- Shyness and anxiety: Protective role of extraversion. Personality and Individual Differences. 178:110859-110859. 2021
- Preliminary Findings for Group Transdiagnostic Behavior Therapy for Affective Disorders Among Youths. Journal of Psychotherapy Practice and Research. 74:36-39. 2021
- A pilot study examining the use of Goal Management Training in individuals with obsessive-compulsive disorder. Pilot and Feasibility Studies. 6:151. 2020
- Fear of Negative Evaluation and Rapid Response to Treatment During Cognitive Behaviour Therapy for Social Anxiety Disorder. Cognitive Therapy and Research. 44:526-537. 2020
- Neuropsychological performance across symptom dimensions of obsessive-compulsive disorder: a comment on the state and critical review of the literature. Expert Review of Neurotherapeutics. 20:425-438. 2020
- Outcome of CBT for Problematic Hoarding in a Naturalistic Setting: Impact on Symptoms and Distress Tolerance. Behaviour Change. 37:13-21. 2020
- Poor insight in obsessive-compulsive disorder: Examining the role of cognitive and metacognitive variables. Journal of Obsessive-Compulsive and Related Disorders. 23:100447-100447. 2019
- Cannabis Use in Patients Seeking Therapy for Anxiety and Related Disorders: A Descriptive Study. Canadian Journal of Addiction. 10:30-37. 2019
- A comparison of cluster and factor analytic techniques for identifying symptom-based dimensions of obsessive-compulsive disorder. Psychiatry Research. 278:86-96. 2019
- Differences in neuropsychological performance between incompleteness- and harm avoidance-related core dimensions in obsessive-compulsive disorder. Journal of Obsessive-Compulsive and Related Disorders. 22:100448-100448. 2019
- Improving treatment outcome in obsessive-compulsive disorder: Does motivational interviewing boost efficacy?. Journal of Obsessive-Compulsive and Related Disorders. 22:100446-100446. 2019
- The Social Suspiciousness Scale: Development, Validation, and Implications for Understanding Social Anxiety Disorder. Journal of Psychopathology and Behavioral Assessment. 41:280-293. 2019
- Seasonality Patterns of Internet Searches on Mental Health: Exploratory Infodemiology Study. JMIR Mental Health. 6:e12974-e12974. 2019
- Psychometric Properties and Clinical Utility of the Specific Phobia Questionnaire in an Anxiety Disorders Sample. Journal of Psychopathology and Behavioral Assessment. 41:36-52. 2019
- A Naturalistic Comparison of Group Transdiagnostic Behaviour Therapy (TBT) and Disorder-Specific Cognitive Behavioural Therapy Groups for the Affective Disorders. Behavioural and Cognitive Psychotherapy. 47:39-51. 2019
- Psychometric Evaluation of a Revised Scoring Approach for the Children’s Saving Inventory in a Canadian Sample of Youth With Obsessive–Compulsive Disorder. Child Psychiatry and Human Development. 49:966-973. 2018
- Seasonality Patterns of Internet Searches on Mental Health: Exploratory Infodemiology Study (Preprint) 2018
- Working memory capacity in social anxiety disorder: Revisiting prior conclusions.. Journal of Psychopathology and Clinical Science. 127:276-281. 2018
- Mindfulness‐based cognitive therapy as an augmentation treatment for obsessive–compulsive disorder. Clinical Psychology and Psychotherapy. 24:1109-1120. 2017
- Differentiating Sexual Thoughts in Obsessive-Compulsive Disorder From Paraphilias and Nonparaphilic Sexual Disorders. Cognitive and Behavioral Practice. 24:342-352. 2017
- Self-reported hygiene-related behaviors among individuals with contamination-related obsessive-compulsive disorder, individuals with anxiety disorders, and nonpsychiatric controls. Journal of Obsessive-Compulsive and Related Disorders. 14:71-83. 2017
- Post-event processing in social anxiety disorder: Examining the mediating roles of positive metacognitive beliefs and perceptions of performance. Behaviour Research and Therapy. 91:1-12. 2017
- Mindfulness-Based Cognitive Therapy for Residual Symptoms in Obsessive-Compulsive Disorder: a Qualitative Analysis. Mindfulness. 8:190-203. 2017
- Social Anxiety and the Accuracy of Memory for Childhood Teasing Frequency. Journal of Cognitive Psychotherapy. 31:151-157. 2017
- The pernicious Effects of Post-event Processing in Social Anxiety Disorder. Journal of Experimental Psychopathology. 7:577-587. 2016
- Post-Event Processing across Multiple Anxiety Presentations: Is it Specific to Social Anxiety Disorder?. Behavioural and Cognitive Psychotherapy. 44:568-579. 2016
- Changes in Anxiety Sensitivity Following Group Cognitive-Behavior Therapy for Social Anxiety Disorder and Panic Disorder. Cognitive Therapy and Research. 40:468-478. 2016
- Who gets better when? An investigation of change patterns in group cognitive behavioral therapy for obsessive-compulsive disorder. Journal of Obsessive-Compulsive and Related Disorders. 10:35-41. 2016
- Emotional distress tolerance across anxiety disorders. Journal of Anxiety Disorders. 40:94-103. 2016
- The gut microbiome: Potential innovations for the understanding and treatment of psychopathology.. Canadian Psychology. 57:67-75. 2016
- Family accommodation in problem hoarding. Journal of Obsessive-Compulsive and Related Disorders. 7:7-15. 2015
- Out of the shadows and into the spotlight: Social blunders fuel fear of self-exposure in social anxiety disorder. Journal of Anxiety Disorders. 34:24-32. 2015
- A False Sense of Security: Safety Behaviors Erode Objective Speech Performance in Individuals With Social Anxiety Disorder. Behavior Therapy. 46:304-314. 2015
- What If I Appear Boring, Anxious, or Unattractive? Validation and Treatment Sensitivity of the Negative Self Portrayal Scale in Clinical Samples. Cognitive Therapy and Research. 39:178-192. 2015
- Treatment Fears in Anxiety Disorders: Development and Validation of the Treatment Ambivalence Questionnaire. Journal of Clinical Psychology. 70:979-993. 2014
- Effect of Comorbid Depression on Cognitive Behavioural Group Therapy for Social Anxiety Disorder. Behaviour Change. 31:53-64. 2014
- A Preliminary Attempt to Experimentally Induce Post Event Processing in Social Anxiety Disorder. Behavioural and Cognitive Psychotherapy. 42:238-242. 2014
- Self-portrayal concerns and their relation to safety behaviors and negative affect in social anxiety disorder. Behaviour Research and Therapy. 51:476-486. 2013
- Prevalence and clinical correlates of treatment concerns in a sample of treatment seeking youth with obsessive–compulsive disorder. Journal of Obsessive-Compulsive and Related Disorders. 2:286-291. 2013
- Consistency between self-report and clinician-administered versions of the Yale-Brown Obsessive–Compulsive Scale. Journal of Anxiety Disorders. 24:729-733. 2010
- Review of Obsessive-compulsive disorder: The facts (4th edition).. Canadian Psychology. 51:146-147. 2010
- SPINning factors: Factor analytic evaluation of the Social Phobia Inventory in clinical and nonclinical undergraduate samples. Journal of Anxiety Disorders. 24:94-101. 2010
- Book Review: General Psychiatry: What is Emotion? History, Measures, and Meanings. Canadian Journal of Psychiatry. 54:423-423. 2009
- Refining and validating the Social Interaction Anxiety Scale and the Social Phobia Scale. Depression and Anxiety. 26:E71-E81. 2009
- In the absence of rose-colored glasses: Ratings of self-attributes and their differential certainty and importance across multiple dimensions in social phobia. Behaviour Research and Therapy. 47:66-70. 2009
- . Cognitive and Behavioral Practice. 15:108-110. 2008
- Development of a Measure of Egodystonicity. Journal of Cognitive Psychotherapy. 21:198-216. 2007
- Office-based vs. home-based behavioral treatment for obsessive-compulsive disorder: A preliminary study. Behaviour Research and Therapy. 45:1883-1892. 2007
- Diary Records of Thought Suppression by Individuals with Obsessive-Compulsive Disorder. Behavioural and Cognitive Psychotherapy. 35:47-47. 2007
- Why are some obsessions more upsetting than others?. Behaviour Research and Therapy. 43:1453-1465. 2005
- Evidence-based assessment of anxiety disorders in adults.. Psychological Assessment. 17:256-266. 2005
- Psychological Treatments for Social Phobia. Canadian Journal of Psychiatry. 50:308-316. 2005
- Social comparison processes in social phobia. Behavior Therapy. 36:65-75. 2005
- Thought suppression and its effects on thought frequency, appraisal and mood state in individuals with obsessive-compulsive disorder. Behaviour Research and Therapy. 43:93-108. 2005
- WHY ARE CERTAIN INTRUSIVE THOUGHTS MORE UPSETTING THAN OTHERS?. Behavioural and Cognitive Psychotherapy. 31:1-11. 2003
- Factor structure of the illness intrusiveness rating scale in patients diagnosed with anxiety disorders. Journal of Psychopathology and Behavioral Assessment. 23:223-230. 2001
- BEHAVIOURAL TREATMENT OF OBSESSIVE COMPULSIVE DISORDER. Behavioural and Cognitive Psychotherapy. 28:353-360. 2000
- Assessment of physiological hyperarousal in patients with mood and anxiety disorders. Depression and Anxiety. 12:109-110. 2000
- Treatment histories of patients with three anxiety disorders. Depression and Anxiety. 12:92-98. 2000
- Cognitive Features of Social Phobia. CNS Spectrums. 4:30-41. 1999
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preprints