Browsing University of Waterloo by Author "Purdon, Christine"
Now showing items 1-12 of 12
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The appropriateness of using a counter app in experimental studies assessing unwanted intrusive thoughts
Wahl, Karina; Lieb, Roselind; Kollárik, Martin; Purdon, Christine (Elsevier, 2020-07)The reliable and valid assessment of unwanted intrusive thoughts (UITs) is crucial. The main aim of the current research was to investigate if individuals who used a counter app (a program on a mobile device that is used ... -
Context matters: criticism and accommodation by close others associated with treatment attitudes in those with anxiety
Merritt, Olivia; Rowa, Karen; Purdon, Christine (Cambridge University Press, 2022-08-26)Background: Many people with anxiety do not seek therapy due to negative views of treatment. Although close others (e.g. romantic partners, family members, close friends) are highly involved in treatment decisions, the ... -
Criticism and accommodation are associated with treatment concerns in close others to those with anxiety
Merritt, Olivia; Rowa, Karen; Purdon, Christine (British Psychological Society, 2022-10-18)Objectives. Those close to people with mental health difficulties (e.g., family members, romantic partners and close friends) are often involved in their care decisions. Research shows that criticism by close others and ... -
An experimental study of hand washing in people with high and normative contamination fear
Dean, Jasmine; Purdon, Christine (Elsevier, 2021-01)Compulsions are the hall mark of obsessive-compulsive disorder (OCD) but there has been surprisingly little research on their phenomenology and persistence, and much of this work has focused on checking compulsions. The ... -
Fear of compassion is associated with treatment ambivalence and negative expectations for treatment in people with anxiety
Merritt, Olivia; Purdon, Christine (British Psychological Society, 2021-06-12)Objectives. Fears of compassion are hypothesized to be associated with treatment attitudes, but this relationship has not yet been explored. Methods. Measures of fear of compassion and treatment expectations and ambivalence ... -
How do close others to those with anxiety feel about treatment? Development and validation of the Treatment Concerns Questionnaire - Close Others
Merritt, Olivia; Rowa, Karen; Purdon, Christine (Springer, 2022-07-19)Background. The close others (e.g., family members, romantic partners) of people with anxiety and related disorders are typically involved in their treatment decisions. However, we know little about close others’ attitudes ... -
An in vivo study of compulsions
Dean, Jasmine; Purdon, Christine (Elsevier, 2021-07)Leading models of obsessive-compulsive disorder (OCD) assume that compulsions are enacted to neutralize distress over obsessions. However, lab-based research suggests that once a compulsion starts factors other than distress ... -
Scared of compassion: Fear of compassion in anxiety, mood, and non-clinical groups
Merritt, Olivia; Purdon, Christine (British Psychological Society, 2020-05-04)Objectives. Fear of receiving compassion from others, expressing compassion to others, and being compassionate towards oneself have been identified as potentially important factors in the persistence of depression, stress ... -
A study of the Repeated Actions Diary in patients suffering from obsessive compulsive disorder
Bouvard, Martine; Fournet, Nathalie; Denis, Anne; Achachi, Ouafae; Purdon, Christine (Wiley, 2019-12-27)The structured Repeated Action Diary (RAD) collects in vivo data on compulsions and their various characteristics. Certain compulsions (i.e., those ending because the patient feels certain that it is safe to stop) are then ... -
Thought Suppression
Purdon, Christine (Oxford University Press, 2020-01-30)The idea that suppressing an unwanted thought results in an ironic increase in its frequency is accepted as psychological fact. Wegner’s ironic processes model has been applied to understanding the development and persistence ... -
To Approach or to Avoid: The Role of Ambivalent Motivation in Attentional Biases to Threat and Spider Fear
Xu, Mengran; Rowe, Katelyn; Purdon, Christine (Springer, 2021-01-03)Background People with anxiety difficulties show different patterns in their deployment of attention to threat compared to people without anxiety difficulties. These attentional biases are assumed to play a critical role ... -
Visual attention to threat during stove-checking in people high in checking behaviour
Merritt, Olivia; Purdon, Christine (Elsevier ScienceDirect, 2022-10)Leading models of obsessive-compulsive disorder (OCD) state that hypervigilance to threat is a factor in compulsion persistence; however, previous research on attention deployment in OCD is mixed. The current study examines ...