Statistical Analysis

1
Statistical Analysis

• Session 13

2
Research Through Statistical Analysis

• Regression Analysis
• interval level dependent variable and linear
  relationship with the independent variables
• The most basic model in the social sciences
• Two-Stage Model
• the causal relationships involve intervening or
  antecedent variables that are important for the
  theory

Y
X
X
Y
3

• Nonrecursive a reciprocal relationship, Y1
  causes Y2, but Y2 also causes Y1
• Dichotomous Nominal Dependent Variable Senator
  votes YES Senator Votes NO
• Multi-category Nominal Dependent Variable Moves
  to Shanghai, Stays in Village, Moves to Other
  Province
• Ordinal Dependent Variable Do Not Support,
  Somewhat Support, Strongly Support

Y
Y
4

• Time Series
• Interrupted Time Series a single event during
  the series, series may return to pre-event level
  or change equilibrium level
• Time Varying Covariates independent variables
  also change over time
• Count Data Number of Times a Party Coalition
  Changes in a Multiparty Legislature in a 10 Year
  Period (Ex Europe)

And it's one, two, three,What are we fighting
for ?Don't ask me, I don't give a damn,Next
stop is Vietnam And it's five, six, seven,Open
up the pearly gates,Well there ain't no time to
wonder why,Whoopee! we're all gonna die.
5
Which Party Do You Trust to do a Better Job with
Education, Taxes, the Economy, Inflation, and
Unemployment?
6
Which Party Do You Trust to do a Better Job with
Keeping the U.S. Prosperous?
7
Which Party Do You Trust to do a Better Job with
Keeping the U.S. out of War?