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Quantitative Psychology

Mark Bahr

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Full-Text Articles in Psychology

The Last Truth To Determine But The First To Consider: Navigating Negative Response Distortion On The Pai In A Forensic Context, Jacqueline Yoxall, Mark Bahr, Norman Barling Sep 2013

The Last Truth To Determine But The First To Consider: Navigating Negative Response Distortion On The Pai In A Forensic Context, Jacqueline Yoxall, Mark Bahr, Norman Barling

Mark Bahr

Negative response distortion must be a consideration for any psychologist endeavouring to measure reported psychopathology in populations for whom there exists an external incentive for a diagnosis. The Personality Assessment Inventory (Morey, 1991) is increasingly being used in psychological assessment in the forensic arena. This paper presents an overview of the validation of the negative validity indices of the PAI to interpret data from a recent archival file review of 400 individuals who participated in assessment as part of a compensation claim process or in preparation for criminal sentencing. Whilst malingering must be a standard consideration in any forensic assessment, …


Development Of A New Measure Of Adolescent Depression, Mona Taouk, Mark Bahr Sep 2013

Development Of A New Measure Of Adolescent Depression, Mona Taouk, Mark Bahr

Mark Bahr

A new scale to measure adolescent depression was developed by reviewing literature of adolescent depression, and an examination of existing depression instruments for both adults and adolescents. The Taouk Adolescent Depression Scale (TADS) was constructed as a multidimensional measure of depression, evaluated using a sample of 263 undergraduate and secondary school students (70 males, 193 females) aged between 12 and 21 years (M=15.53, SD=2.35). Four reliable factors comparable to those identified in previous research were obtained from an obliquely rotated principal axis factoring extraction, resulting in a final 20 item instrument with five items per domain, illustrating construct validity. The …