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degree courses
Second cycle
degree courses
Single cycle
degree courses
School of Science
Course unit
SAMPLING THEORY AND METHODS (Ult. numero di matricola pari)
SSM0013982, A.A. 2015/16

Information concerning the students who enrolled in A.Y. 2013/14

Information on the course unit
Degree course First cycle degree in
SS1449, Degree course structure A.Y. 2009/10, A.Y. 2015/16
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Degree course track PROFESSIONALIZZANTE [007PD]
Number of ECTS credits allocated 8.0
Type of assessment Mark
Course unit English denomination SAMPLING THEORY AND METHODS
Website of the academic structure
Department of reference Department of Statistical Sciences
Mandatory attendance No
Language of instruction Italian
Single Course unit The Course unit can be attended under the option Single Course unit attendance
Optional Course unit The Course unit can be chosen as Optional Course unit

Teacher in charge LUIGI FABBRIS

Course unit code Course unit name Teacher in charge Degree course code
SCP4063582 SAMPLE SURVEYS (THEORY AND DESIGN) (Ult. numero di matricola pari) LUIGI FABBRIS SC2095

ECTS: details
Type Scientific-Disciplinary Sector Credits allocated
Core courses SECS-S/01 Statistics 8.0

Course unit organization
Period Second semester
Year 3rd Year
Teaching method frontal

Type of hours Credits Teaching
Hours of
Individual study
Practice 0.5 2 10.5 No turn
Lecture 7.5 54 133.5 No turn

Start of activities 01/03/2016
End of activities 11/06/2016
Show course schedule 2015/16 Reg.2009 weekly timetable
2015/16 Reg.2009 single teaching timetable

Examination board
Board From To Members of the board
10 Commissione a.a.2019/20 (matr. pari) 01/10/2019 30/09/2020 MEGGIOLARO SILVIA (Presidente)
BOCCUZZO GIOVANNA (Membro Effettivo)
ONGARO FAUSTA (Membro Effettivo)
SCIONI MANUELA (Membro Effettivo)
9 Commissione a.a.2019/20 (matr.dispari) 01/10/2019 30/09/2020 SCIONI MANUELA (Presidente)
MAZZUCO STEFANO (Membro Effettivo)
MEGGIOLARO SILVIA (Membro Effettivo)
ONGARO FAUSTA (Membro Effettivo)
8 Commissione a.a.2018/19 (matr.pari) 01/10/2018 30/09/2019 FABBRIS LUIGI (Presidente)
BOCCUZZO GIOVANNA (Membro Effettivo)
ONGARO FAUSTA (Membro Effettivo)
7 Commissione a.a.2018/19 (matr.dispari) 01/10/2018 30/09/2019 BOCCUZZO GIOVANNA (Presidente)
MAZZUCO STEFANO (Membro Effettivo)
ONGARO FAUSTA (Membro Effettivo)
SCIONI MANUELA (Membro Effettivo)
6 Commissione a.a.2017/18 (matr. pari) 01/10/2017 30/10/2018 FABBRIS LUIGI (Presidente)
BOCCUZZO GIOVANNA (Membro Effettivo)
ONGARO FAUSTA (Membro Effettivo)
5 Commissione a.a.2017/18 (matr. dispari) 01/10/2017 30/09/2018 BOCCUZZO GIOVANNA (Presidente)
CAMPORESE RINA (Membro Effettivo)
FABBRIS LUIGI (Membro Effettivo)
ONGARO FAUSTA (Membro Effettivo)

Prerequisites: Statistics 1, Statistics 2, Basics of probability calculus
Target skills and knowledge: 1. Understanding strengths and limits of both sample-based and exhaustive surveys

2. Acquiring or reinforcing basic elements of theory of:
o Total survey management
o Computer-based questionnaire design
o Sample survey design

3. Enhancing skills for:
o Designing sample surveys that involve optimum data collection techniques for the research project at hand
o Choosing criteria for data collection (computer-assisted versus paper-and pencil questionnaires, self-administered versus administered by interviewers, different questionnaires according to communication channel) that are focused on the research situation
o Designing a computer-assisted questionnaire focused on the research situation
o Selecting a probabilistic sample and judging the eligibility of a quota sample
o Defining the optimum sample size
o Writing a research report that can inform the research result recipients

4. Developing sensitivity, wording and critical sensibility about data collection methodology that can help a professional statistician in most possible real situations
Examination methods: The examination consists of a written test and two practical projects.
The written test consists of four open questions. The students who pass an a test based on multi-response questions, administered in the departmental Computer Room will be admitted to the written test.
The practical projects are the realization of
a) a short electronic questionnaire suitable for a computer-assisted survey;
b) a written project on a survey matter to be arranged with the teacher; the project can be realized by a team of no more than four students.
Assessment criteria: The examination mark will be obtained as sum of the three tests:
- the mark obtained in the written test (max 25/30),
- the mark obtained in the realization of the electronic questionnaire (max 3/30),
- the mark obtained in the written project (max 4/30).
The student who scores the top evaluation in all the three tests will be graded ‘with laudem’.

The scores obtained in any test (both written and practical) keep their validity for 12 months.
Course unit contents: 1. Sample survey methodology
- Sample survey and social research; survey design.
- Techniques for data collection (face to face, telephone, mail, and diary surveys); computer-assisted data collection.

2. Sampling theory and techniques
- Probability sampling and quota sampling
- Varying and equal probability sampling; random and systematic selection; self-weighting samples; sampling from inadequate or multiple lists.
- Simple random sampling: estimation of the population mean; error in estimates; properties of an estimator.
- Stratified sampling: proportional and optimum designs; implicit selection.
- Stages selection: PPS and PPES sampling, areal sampling; intraclass correlation measurement and control.
- Rotated sampling for panel surveys.
- Survey costs: fixed and varying cost classes.
- Examples of complex sampling designs: The Labour Force Survey of Istat and the CPS – Current Population Survey of the US Bureau of the Census.

3. Electronic questionnaire design
- Questionnaire design: graph representation of questionnaire structure; question wording; question ordering; choice of the response alternatives.
- Methodology of electronic questionnaires for computer-assisted data collec-tion.
Planned learning activities and teaching methods: Teaching will be mainly based on frontal lectures, even if the teacher will involve students in so far as the class size will allow it.

The practice classes (10 hours) aim at developing students’ skills of realizing an electronic questionnaire. The lecturer will be named before the classes start.
Additional notes about suggested reading: Lecture notes made available at the Department website.
Textbooks (and optional supplementary readings)
  • lohr, S.L., Sampling: Design and Analysis, Second ed.. Pacific Grove, CA: Duxbury Press, Brooks/Cole Publishin, 1999.
  • Fabbris L, L’indagine campionaria. Metodi, disegni e tecniche di campionamento. Roma: NIS, 1989. Disponibile in biblioteca Cerca nel catalogo
  • ISTAT, Manuali di tecniche d’indagine. Roma: Istat, 1989.