Crosstabs
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Crosstabs PowerPoint PPT Presentation


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Crosstabs. Types of relationships. Linear Spurious Intervening Interaction effects Suppression. Linear effects. Theory: National pride (alienation). When people feel alienated from the political system, then they may be more likely to participate in politics.

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Crosstabs

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Crosstabs

Crosstabs


Types of relationships

Types of relationships

  • Linear

  • Spurious

  • Intervening

  • Interaction effects

  • Suppression


Linear effects

Linear effects


Theory national pride alienation

Theory: National pride (alienation)

  • When people feel alienated from the political system, then they may be more likely to participate in politics.

  • When people feel national pride in the political system, then they may be less likely to participate in politics.

  • Measure:

    • How often do you feel ashamed of Russia? very often, rather often, not very often, hardly ever


Dependent variable political participation

Dependent variable: political participation

  • People either participate or they do not.

  • There are 31 questions about different political activities.

  • How should this variable be measured?


Measure of political participation

Measure of political participation

freq vars = polpartbes2.


Crosstabs analysis

Crosstabs analysis

  • Like a frequency table, it reports how many and what percentage fall into a particular category, but for two variables instead of one

  • Not suitable for continuous variables; only for discretely measured variables

  • It is sometimes useful to recode a variable with too many categories FOR THE PURPOSES OF ILLUSTRATION ONLY


Conventions

Conventions

  • the independent variable is arranged across the top of the table

  • Percentages should be calculated using COLUMN

  • Syntax: crosstabs tables DV by IV /cells = coll.


Creating collapsed variables

Creating collapsed variables

  • compute polpartbesc = polpartbes.

  • if polpartbes > 1 polpartbesc = 2.


Political participation collapsed

Political participation collapsed


National pride

National pride


Syntax missing and crosstabs

Syntax: missing and crosstabs

  • Some useful syntax:

  • missing values ashamerus (7,8,9).

  • crosstabs tables = polpartbesc by ashamerus/cells = col/stats = corr.


Crosstab analysis

Crosstab Analysis


Correlation information

Correlation information


Scatter plot

Scatter plot


Syntax for scatter plot

Syntax for scatter plot

GRAPH

/SCATTERPLOT(BIVAR)=ashamerus WITH polpartbes

/MISSING=LISTWISE.

Notice that there is no need for extra categorization – so we used polpartbes, not polpartbesc.


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