Thesis (Ph. D.)--University of Virginia, 1998. / Includes bibliographical references (p. 122-133). Also available online through Digital Dissertations.

Thesis (M.A. (Psychology))--Rhodes University, 2003. / Submitted in partial fulfilment for requirements for the degree of Master of Arts (Research Psychology) in the Department of Psychology.

Thesis (doctoral)--La Salle University, 2004. / ProQuest dissertations and theses ; AAT 3139151. Includes bibliographical references (leaves 30-36).

Thesis (Ph.D.)--University of Missouri-Columbia, 2006. / The entire dissertation/thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file (which also appears in the research.pdf); a non-technical general description, or public abstract, appears in the public.pdf file. Title from title screen of research.pdf file viewed on (February 26, 2007) Vita. Includes bibliographical references.

Thesis (Ed. D.)--Northern Illinois University, 1977. / Typescript. Includes bibliographical references (leaves [101]-111).

Thesis (M.S.)--Eastern Washington University, 2005. / Includes bibliographical references (leaves 64-67).

Thesis (M.S.)--Eastern Washington University, 2005. / Includes bibliographical references (leaves 64-67). Also available online (PDF file) by a subscription to the set or by purchasing the individual file.

Attention Deficit Hyperactivity Disorder (ADHD) is one of the most common neuropsychiatric disorders in childhood among school-aged children. It is characterized by behavior disinhibition, overactivity and/or difficulty in sustaining attention. Psychotherapy and pharmacotherapy are reported ways of treating ADHD. Around 35% of individuals diagnosed with ADHD also met the criteria for anxiety disorders that commonly coexist with ADHD. If not treated up to 70% of children with ADHD continue to meet the diagnostic criteria into adolescence. Psychostimulants (Methylphenidate) are the first line of treatment in Turkey. The first aim of this present study was to introduce Spence Children&amp / #8217 / s Anxiety Scale Parent version (SCAS-P) by conducting Turkish translation, factor structure, and reliability-validity studies of the scale. Results of the principle component analysis extracted five factors for the Turkish version of SCAS-P. Inter-correlations among the factors (r=0.28 &amp / #8211 / 0.45) were found to be satisfactory indicating for convergent validity. Criterion validity of the scale was found to be significant as well. Analysis indicated that the top 27th percentile of the sample was significantly differenciated from the bottom 27th percentile of the sample (t(74)=9.63, p&lt / .05). Results revealed Cronbach alpha of .88, and the split half reliability of .79 for the total scale score. Internal consistency of the subscales of the SCAS-P ranged from 0.56 to 0.78. The second aim of this study was to examine the effects of Methylphenidate (MPH) on cognitive abilities, hyperactivity and anxiety level of children with ADHD since MPH is known to be a first line of treatment for Attention Deficit Hyperactivity Disorder (ADHD). Thirty-six elementary school children, from age seven to twelve were gathered from the local Hospital for the Social Security Office Child Psychiatry Clinic in Ankara via using purposive sampling. Seventeen children who met the DSM-IV diagnostic criteria for ADHD were assigned to the drug group, and nineteen children without ADHD were assigned to the comparison group. Bender Gestalt Visual Motor Perception Test, Wechsler Intelligence Scale for Children-Revised subscales, and Vigilance Task developed by the researcher were administered to participant children, for measuring cognitive abilities. Hacettepe ADHD Scale and SCAS-P were administered to parents of the participants for measuring hyperactivity level and child anxiety. Measurements were repeated after a 12-week follow up both for the drug group (N=17) and the comparison group (N=19). In the 12-week period, drug group received MPH treatment, and the comparison group received no interventions regarding ADHD. 2 (Drug group vs. Comparison group) x 2 (Pretest vs. Posttest) mixed ANOVA with repeated measures on the last factor was conducted for the results of each measurement scale separately. As expected, MPH treatment revealed improvement in cognitive abilities and hyperactivity level of children with ADHD. All participants were found to have high anxiety scores when first referred to the hospital, and were found to have lower scores of anxiety on posttest. The findings were discussed on the basis of literature and limitations of the present study.

Thesis (Ph. D.)--Florida State University, 2005. / Advisor: Dr. Janet Kistner, Florida State University, College of Arts and Sciences, Dept. of Psychology. Title and description from dissertation home page (viewed Sept. 22, 2005). Document formatted into pages; contains viii, 130 pages. Includes bibliographical references.

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