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Lecture 3

Lecture 3

2 Pages
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Department
Sociology
Course Code
SOCA01H3
Professor
Sheldon Ungar

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Thursday September 24, 2009 ± Lecture 3 Tables and Data and Spuriousness
Today: Read BRYM Chapter 2, UNGAR Chapter 2
From 4 photos in PPT
Variables Used Variables Ignored/inadequate
-Class -Family composition
-Race -Single family
-Ethnicity -Role
-Gender -Class
-Family -Age
-Context
Sociology VS. Journalism ± How would sociology study the 4 families?
-Use random sample to represent population.
-Measure and quantify samples
-Ex. Do systemic counting
Variables ± Take on two or more values
-Gender: Male or Female?
-Religion: What religion? How religious?
-SES: Social Economic Status
-Types on variables are:
1. Independent variable: Come first in time and cause/affect dependent variable. (Ex.
gender may affect attitude)
2. Dependent variable
*Know/ study research cycle in Brym Textbook (pg. 37), and how to read tables/graphs*
Tables and Graphs
-Need to calculate % along the independent variable
-NOTE on tables/ graphs: Number of variables, independent and dependent variables, what is the
table showing?
Methodological Issues
-Reliability: Consistency in measurement.
-Validity: Precision in measurement. (Measuring what you actually want)
-Generalizability: Access the relevance beyond case studied.
-Causality: Cause and effect relationship among variables.
*Study diagram in textbook Fig 2.3 pg. 44*
Look at Causations and Spuriousness
-Causation: Act of causing something.
-Spuriousness: False or fake.
-Causal relationships
-IV comes first in time.
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Description
Thursday September 24, 2009 ± Lecture 3 Tables and Data and Spuriousness Today: Read BRYM Chapter 2, UNGAR Chapter 2 From 4 photos in PPT Variables Used Variables Ignored/inadequate -Class -Family composition -Race -Single family -Ethnicity -Role -Gender -Class -Family -Age -Context Sociology VS. Journalism ± How would sociology study the 4 families? -Use random sample to represent population. -Measure and quantify samples -Ex. Do systemic counting Variables ± Take on two or more values -Gender: Male or Female? -Religion: What religion? How religious? -SES: Social Economic Status -Types on variables are: 1. Independent variable: Come first in time and cause/affect dependent variable. (Ex. gender may affect attitude) 2. Dependent variable *Know/ study research cycle in Brym Textbook (pg. 37), and how to read tables/graphs* Tables and Graphs -Need to calculate % along the independent variable -NOTE on tables/ graphs: Number of variables, independent and dependent variables, what is the table showing? Methodological Issues -Reliability: Consistency in measurement. -Validity: Precision in measurement. (Measuring what you actually want) -Generalizability: Access the relevance beyond case studied. -Causality: Cause and effect relationship among variables. *Study diagram in textbook Fig 2.3 pg. 44* Look at Causations and Spuriousness -Causation: Act of causing
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