Sociology 201: Social Research Design 10. Operationalization 02/11/2003 Total = 30 slides 1 Preview • • • • Review Chapter 5 assignments Measurement Options – Range of variation, variations between extremes – Review levels of measurement – Single and multiple indicators – Guidelines for asking questions – Review units, variables, attributes Operationalization Drill Preview Chapter 6 assignments 02/11/2003 Total = 30 slides 2 Review Workbook Assignments • • • • Range = 0 to 80 1 of you has 80 7 in the 70s 13 in 50s and 60s • 8 have 0 02/11/2003 Total = 30 slides 3 Remember: • The Issue is MEASUREMENT 02/11/2003 Total = 30 slides 4 Range of variation • ABANY: Yes, No • POLVIEWS: Extremely liberal to extremely conservative • PARTYID: Strong Democrat to Strong Republican (and Other Party) • ATTEND: Never to "more than once a week” Total = 30 slides 02/11/2003 5 Variations between extremes • AGE (every year) • Could give categories: Under 21 21-35 36-50 51-65 65 and older 02/11/2003 Total = 30 slides 6 Review levels of measurement • • • • 02/11/2003 Nominal Ordinal Interval Ratio Total = 30 slides 7 Single or multiple indicators • Indexes and scales next time 02/11/2003 Total = 30 slides 8 Guidelines for asking questions • • • • • • • • • Questions and statements Open-ended and closed-ended questions Make items clear Avoid double-barreled questions Respondents must be competent Questions should be relevant Short items are best Avoid negative items Avoid biased items and terms 02/11/2003 Total = 30 slides 9 Operationalization Drill: • • • • • Specify variables, attributes and units of analysis 02/11/2003 Total = 30 slides 10 Do girls get better grades than guys? • • • • Variables Attributes Unit of analysis Okay to use g.p.a.? 02/11/2003 Total = 30 slides 11 Which department has the hardest courses? • • • • • 02/11/2003 Variables Attributes Unit of analysis What is "hard"? Handling crosslisted courses Total = 30 slides 12 Are Chapman courses difficult? • Can't answer that • You need something to compare it with 02/11/2003 Total = 30 slides 13 Who earns most: doctors or dentists? • • • • Variables Attributes Unit of analysis Note ambiguity of "doctor” • Specify income: gross, net, annual, etc. 02/11/2003 Total = 30 slides 14 Are business school students more prejudiced than sociology students? • • • • Variables Attributes Unit of analysis Majors? Minors? Taking courses? • What kind of prejudice? 02/11/2003 Total = 30 slides 15 Do business students study harder than sociology students? • Variables • Attributes • Unit of analysis 02/11/2003 Total = 30 slides 16 Are Catholics more religious than Protestants? • • • • Variables Attributes Unit of analysis Can only do this for very specific indicators – e.g., church attendance, beliefs, prayer 02/11/2003 Total = 30 slides 17 Are Russian popular songs more romantic than American ones? • Variables • Attributes • Unit of analysis • BTW: how would you tell if a song is romantic? 02/11/2003 Total = 30 slides 18 Do democracies have a higher standard of living than nondemocracies? • Variables • Attributes • Unit of analysis 02/11/2003 Total = 30 slides 19 Preview Ch 6 Workbook Assignments • 6.2 Semantic differential – Start with a variable; then some dimensions – Be sure to review structure of semantic differential – Show how each response might be scored in a composite measure 02/11/2003 Total = 30 slides 20 Next Time • Composite Measures • Read Chapter 7 02/11/2003 Total = 30 slides 21