Quantitative Data Analysis - Sociological Analysis - Lecture Slides, Slides of Sociology

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Quantitative Data Analysis

Chapter Outline

• Quantification of Data
• Univariate Analysis
• Subgroup Comparisons
• Bivariate Analysis
• Introduction to Multivariate Analysis
• Sociological Diagnostics
• Ethics and Quantitative Data Analysis
• Quick Quiz

Age

• Develop Code Categories
  1. Use well-developed coding scheme.
  2. Generate codes from your data.

• The codebook also identifies the locations of data items and the meaning of the codes used.
• Purposes of the Codebook

1. Primary guide in the coking processes
2. Guide for locating variables

• Data Entry
  • Excel
  • SPSS

Univariate Analysis

• Univariate Analysis – The analysis of a single variable, for purposes of description (examples: frequency distribution, averages, and measures of dispersion). - Example: Gender - The number of men in a sample/population and the number of women in a sample/population.

Mean – an average computed by summing the values of several observations and dividing by the number of observations.

Mode- an average representing the most frequently observed value or attribute.

Median – an average representing the value of the “middle” case in a rank-ordered set of observations.

Practice: The following list represents the scores on a mid-term exam.

100, 94, 88, 91, 75, 61, 93, 82, 70, 88, 71, 88

Determine the mean.

Determine the mode.

Determine the median.

Dispersion – The distribution of values around some central value, such as an average.

Standard Deviation – A measure of dispersion around the mean, calculated so that approximately 68 percent of the cases will lie within plus or minus one standard deviation from the mean, 95 percent within two, and 99. percent within three standard deviations.

• 1 =
• 2 =
• 3 =
• 4 =
• 5 =
• Male = Sex
• Female =
  • Democrat = Political Affiliation
  • Republican =
  • Independent =
  • West = Region of Country
  • Midwest =
  • South =
  • Northeast =
• Figure 14.
• Figure 14.
• Figure 14.
• Figure 14.
• Figure 14.