Validity of the Peer Assessment Rating (PAR) Index Utilizing Serial Study Models of Untreated Subjects PDF Download
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Author: David E. Walker
Publisher:
ISBN:
Category : Malocclusion
Languages : en
Pages : 118
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Book Description
Author: David E. Walker
Publisher:
ISBN:
Category : Malocclusion
Languages : en
Pages : 118
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Book Description
Author: Curtis Kyo-shin Andrews
Publisher:
ISBN:
Category : Diagnostic imaging
Languages : en
Pages : 41
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Book Description
Abstract: Introduction: The object of this research was to evaluate the reliability and validity of Peer Assessment Rating (PAR) index scores derived from computerized digital models. Computer based digital orthodontic models have been shown to be valid and reliable when making measurements of tooth size and simple diagnoses of dental malocclusions. The validity and reliability of PAR scores from digital models and plaster models that have been previously scored and standardized for a calibration exercise for the PAR index have not been established. Methods: Ten examiners were trained to score digital and plaster models using the PAR index. Thirty standardized and previously scored plaster PAR models used in PAR calibration were digitized using digital study model technology. The plaster and digital calibration models were randomized and scored by the ten examiners. All measurements were repeated by all examiners at a second session. Results: Plaster and digital scores were compared to the gold standard PAR scores for validity. The Intraclass Correlation Coefficients (ICC) for plaster models ranged from 0.808-0.926. The mean ICC for plaster models was 0.891 with a 95% confidence interval (CI) of 0.829-0.940. The ICCs for digital models ranged from 0.846-0.922. The mean ICC for digital models was 0.878 with CI of 0.811-0.931. Intra-rater reliability was excellent for plaster (ICC =0.919) and for digital models (ICC= 0.905). Inter-rater reliability was also good for plaster (ICC=0.912) and digital models (ICC=0.883). Conclusions: The PAR index scores obtained from the digital and plaster calibration models were shown to be valid and reliable.
Author: Ahmad Mohammad Hamdan
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: Peter W. Ngan
Publisher: Bentham Science Publishers
ISBN: 1608054918
Category : Medical
Languages : en
Pages : 474
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Book Description
"Orthodontic Treatment of Class III Malocclusion is a clinical textbook which highlights both research findings as well as clinical treatment of patients with Class III malocclusions. The volume equips readers with a critical review of present information about 1) the craniofacial biology behind various treatment strategies, 2) Diagnosis and treatment planning in both growing and non-growing Class III patients and 3) Contemporary orthodontic appliances using implants and miniscrews. The book is divided into sections proving evidence-based research on the following aspects of Class III malocclusions: the genetic and epigenetic factors contemporary diagnosis and treatment planning for patients early treatment of Class III problems treatment of Class III problems in the adolescents surgical treatment of adult Class III patients treatment of Class III problems in patients with craniofacial anomalies Orthodontic Treatment of Class III Malocclusion will empower clinicians with a sound knowledge about rationale for using certain treatment modalities and will help both general practitioners and specialists such as pediatric dentists and orthodontists to use this information for their daily practice."
Author: William R. Shadish
Publisher: Cengage Learning
ISBN:
Category : Education
Languages : en
Pages : 664
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Book Description
Sections include: experiments and generalised causal inference; statistical conclusion validity and internal validity; construct validity and external validity; quasi-experimental designs that either lack a control group or lack pretest observations on the outcome; quasi-experimental designs that use both control groups and pretests; quasi-experiments: interrupted time-series designs; regresssion discontinuity designs; randomised experiments: rationale, designs, and conditions conducive to doing them; practical problems 1: ethics, participation recruitment and random assignment; practical problems 2: treatment implementation and attrition; generalised causal inference: a grounded theory; generalised causal inference: methods for single studies; generalised causal inference: methods for multiple studies; a critical assessment of our assumptions.
Author: Adil E. Shamoo
Publisher: Oxford University Press
ISBN: 0199709602
Category : Medical
Languages : en
Pages : 441
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Book Description
Recent scandals and controversies, such as data fabrication in federally funded science, data manipulation and distortion in private industry, and human embryonic stem cell research, illustrate the importance of ethics in science. Responsible Conduct of Research, now in a completely updated second edition, provides an introduction to the social, ethical, and legal issues facing scientists today.
Author: Paul C. Cozby
Publisher: WCB/McGraw-Hill
ISBN:
Category : Psychology
Languages : en
Pages : 300
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Book Description
For undergradute social science majors. A textbook on the interpretation and use of research. Annotation copyright Book News, Inc. Portland, Or.
Author: United States. National Commission for the Protection of Human Subjects of Biomedical and Behavioral Research
Publisher:
ISBN:
Category : Ethics, Medical
Languages : en
Pages : 614
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Book Description
Author: Jancy C. McPhee
Publisher: U. S. National Aeronautics & Space Administration
ISBN:
Category : Biography & Autobiography
Languages : en
Pages : 396
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Book Description
Author: Edward Hartley Angle
Publisher:
ISBN:
Category : Dentistry, Operative
Languages : en
Pages : 338
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Book Description
