Rianne Klaassen

The Validity of the 16-Item Version of the Prodromal Questionnaire (PQ-16) to Screen for Ultra High Risk of Developing Psychosis in the General Help-Seeking Population

Helga Ising, Wim Veling, Rachel Loewy et al. · Schizophrenia Bulletin · 2012 · 442 citations · Full text

Mental Health Monitoring, Psychopathology, Routine Screening +15

Cognitive Behavioral Therapy for Subjects at Ultrahigh Risk for Developing Psychosis: A Randomized Controlled Clinical Trial

Mark van der Gaag, Dorien H. Nieman, Judith Rietdijk et al. · Schizophrenia Bulletin · 2012 · 202 citations · Full text

Baseline differences in clinical symptomatology between ultra high risk subjects with and without a transition to psychosis

Eva Velthorst, Dorien H. Nieman, Hiske E. Becker et al. · Schizophrenia Research · 2009 · 194 citations

Psychopathology, Psychiatry, Psychotic Disorder +11

Detection of people at risk of developing a first psychosis: comparison of two recruitment strategies

Judith Rietdijk, Rianne Klaassen, Helga Ising et al. · Acta Psychiatrica Scandinavica · 2012 · 80 citations · Full text

A single blind randomized controlled trial of cognitive behavioural therapy in a help-seeking population with an At Risk Mental State for psychosis: the Dutch Early Detection and Intervention Evaluation (EDIE-NL) trial

Judith Rietdijk, Sara Dragt, Rianne Klaassen et al. · Trials · 2010 · 69 citations · Full text