Bachelor's degree in Speech and Language Therapy (to qualify as a speech and language therapist)

Statistical methods (2016/2017)

Course code
4S000162
Credits
5
Coordinator
Maria Elisabetta Zanolin

Teaching is organised as follows:
Unit Credits Academic sector Period Academic staff
STATISTICA MEDICA E EPIDEMIOLOGIA CLINICA 2 MED/01-MEDICAL STATISTICS LOGO 2^ ANNO - 2^ SEMESTRE Maria Elisabetta Zanolin
INFORMATICA APPLICATA 2 INF/01-INFORMATICS LOGO 2^ ANNO - 2^ SEMESTRE Alessandro Marcon
PSICOMETRIA 1 M-PSI/03-PSYCHOMETRICS LOGO 2^ ANNO - 2^ SEMESTRE Margherita Brondino

Learning outcomes

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MM: STATISTICA MEDICA E EPIDEMIOLOGIA CLINICA
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The course aims to make students able to: describe and interpret the informations about a set of data; know and interpret the main measures of frequency and association in the epidemiological field.
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MM: INFORMATICA APPLICATA
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The course aims to provide students with basic knowledge on the functioning of a computer and on archiving and management of health data. Students will use the spreadsheet for data synthesis and representation, and they will retrieve information from bibliographic databases.
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MM: PSICOMETRIA
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The lectures are focus on two aims related to the collection of data trough a questionnaire. The first aim concerns the construction of a new questionnaire, the adaption of an existing instrument and the different ways of data collection. The second aim concerns an introduction on the R package software for data analysis to be able to verify the psychometric properties of the questionnaire.

Syllabus

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MM: STATISTICA MEDICA E EPIDEMIOLOGIA CLINICA
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MEDICAL STATISTICS • Collection and presentation of data: measurement, types of variables and measurement scales; sensitivity and specificity of a measurement procedure; one-way and two-way tables; absolute and relative frequencies; cumulative frequencies. • Measure of position: mode, median, quantiles, reference range, arithmetic and weighted mean. • Measures of spread: range, standard deviation, coefficient of variation, interquartile range. EPIDEMIOLOGY • Introduction to epidemiology: definition of epidemiology; outcome, occurrence parameter, determinant. • Measure of occurrence: incidence, cumulative incidence, prevalence. • Measure of association: attributable risk, relative risk, odds ratio; confounding and effect modifiers. • Diagnostic and screening tests: sensitivity, specificity, positive predictive value of a screening test. • Design of Health studies: introduction to cross sectional studies, cohort studies, case-control studies, clinical trial ∗ Lantieri PB, Risso D, Ravera G (2007) Statistica. McGraw-Hill Libri Italia srl: Milano ∗ Swinscow TDV, Campbell MJ. Le basi della Statistica per scienze bio-mediche. Edizioni Minerva Medica S.p.A., Torino, 2004. ∗ Fowler J, Jarvis P, Chevannes M (2006) Statistica per le professioni sanitarie. EdiSES srl, Napoli ∗ Verlato G, Zanolin ME (2000) Esercizi di Statistica Medica, Informatica ed Epidemiologia. Editrice Libreria Cortina Verona. ∗ Lopalco PL, Tozzi AE. Epidemiologia facile.(2003) Il Pensiero Scientifico Editore, Roma.
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MM: INFORMATICA APPLICATA
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1) Basic IT concepts - functioning of a computer - hardware, operating system, software - binary logic 2) Archiving and management of health data - data sources - construction of a questionnaire - data coding - data matrix (table) - identification keys 3) Using Microsoft Excel spreadsheet - loading data - formatting - cell formats - using and creating formulas - descriptive statistics - graphs 4) Retrieval of bibliographic information from PubMed - boolean operators - simple search - complex search - Single Citation Matcher - Medical Subject Headings
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MM: PSICOMETRIA
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A brief description of the program: L1. How to write the items of a questionnaire, to collect data and prepare a database; L2. Preparation of the database (continue), coding of the variables and transformation of the reverse; L3. Analysis of the quality of the data and of the scale; L4. Introduction of R: descriptive statistics and reliability of the scale; L5. Exploratory factor analysis reference: Chiorri, C. (2011). Teoria e tecnica psicometrica. Milano: McGraw-Hill.

Assessment methods and criteria

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MM: STATISTICA MEDICA E EPIDEMIOLOGIA CLINICA
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Written exam with multiple-choice tests and exercises; if this test is passed, then an oral interview will be carried out (optional).
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MM: INFORMATICA APPLICATA
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Practical computer exercise and written test.
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MM: PSICOMETRIA
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Written exam with exercises on Excel and R package

Reference books
Author Title Publisher Year ISBN Note
Jekel JF, Katz DL, Elmore JG, Wild DMG Epidemiologia, Biostatistica e Medicina Preventiva Elsevier-Masson 2009
Valsecchi MG, La Vecchia C Epidemiologia e metodologia epidemiologica clinica Accademia Nazionale in Medicina, Genova: Forum Service Editore 1999
Lopalco, Pier Luigi e Tozzi, Alberto Eugenio Epidemiologia facile Il pensiero scientifico 2003 ISBN 88-490-0081-2
Villani S, Borrelli P Excel & Statistica Medica Medea s.r.l. Pavia 2013
Lantieri PB, Risso D, Ravera G Statistica medica per le professioni sanitarie (Edizione 2) McGraw-Hill, Milano 2004
Corrao, Salvatore Conoscere e usare Pubmed : guida al più noto sistema di ricerca bibliografica in campo biomedico Il pensiero scientifico 2008 978-88-490-0256-0
Storchi, Mario R. La nuova ECDL più full standard Edizioni Manna 2016 978-88-87752-95-3
Bassi, Chiara Pubmed : istruzioni per l’uso Il Pensiero scientifico 2010 978-88-490-0335-2
Vito M. R. Muggeo Giancarlo Ferrara Il linguaggio R : concetti introduttivi ed esempi 2005
Carlo Chiorri Teoria e tecnica psicometrica. Costruire un test psicologico McGraw-Hill Education 2011 Durante le lezioni verranno messe a disposizioni delle slide di alcune parti del testo utili per il modulo di psicometria per cui non occorre acquistare il testo.




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