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To examine the significance of thought-action fusion (TAF) and thought suppression tendencies, the present study obtained pre- and post-treatment questionnaire data on these constructs in a sample of OCD patients (n=24) and non-OCD anxiety patients (n=20). Results indicate that TAF and suppression are correlated with severity of psychopathology. Yet, the(More)
This study was a first attempt to examine the psychometric properties of the Strengths and Difficulties Questionnaire (SDQ) in Dutch youths. A large sample of normal children and adolescents (N = 562) and their parents completed the SDQ along with a number of other psychopathology measures. Factor analysis of the SDQ yielded five factors that were in(More)
The present studies compared the psychometric properties of two self-report measures of spider fear: Fear of Spiders Questionnaire (FSQ) and Spider Phobia Questionnaire (SPQ). In the first study, adequate test-retest stability and internal consistency was found for both FSQ and SPQ. In the second study, both instruments were able to differentiate between(More)
The present study examined the prevalence of comorbid anxiety symptoms in 44 children with pervasive developmental disorders. Parents of the children were interviewed using the Anxiety Disorders section of the Diagnostic Interview Schedule for Children. Results indicated that severe anxiety symptoms are highly prevalent in children with pervasive(More)
A substantial proportion of children and adolescents come to suffer from psychological disorders. This article focuses on the temperament factors that are involved in the pathogenesis of child psychopathology. It is argued that besides the reactive temperament factor of emotionality/neuroticism, the regulative process of effortful control also plays an(More)
BACKGROUND Anhedonia, the inability to experience pleasure, is a major endophenotype of depression. In addition to this, it is an important clinical feature of schizophrenia and substance abuse disorders. Valid instruments to measure anhedonia are sparse. METHODS In the present study, a short, 14-item instrument, the Snaith-Hamilton Pleasure Scale (SHAPS)(More)
The reliability and validity of the Spence Children's Anxiety Scale (SCAS) and the Screen for Child Anxiety Related Emotional Disorders (SCARED) were evaluated in a sample of 556 German primary school children. Both the SCAS (alpha = 0.92) and the SCARED (alpha = 0.91) were demonstrated to have high internal consistency. The validity of the SCAS and the(More)
Thought-action fusion (TAF) refers to a set of cognitive biases that are thought to play a role in the development of obsessional phenomena. To measure these biases, R. Shafran, D. S. Thordarson, and S. Rachman (1996; Journal of Anxiety Disorders, 10, 379-391) developed the TAF-scale. They concluded that the TAF-scale possesses adequate psychometric(More)
Impaired decision-making is a key-feature of many neuropsychiatric disorders. In the present study, we examined task performance in a healthy population consisting of those whose scores indicated high and low impulsivity on several behavioral decision-making tasks reflecting orbitofrontal functioning. The measures included tasks that assess decision-making(More)