Study Guide for Final Exam
1. Be able to define all of the constructs introduced in chapter 1 (see page 19). Be clear
about the material displayed in Figures 1.1 and 1.2.
2. What is a theory? What strategies should researchers use to develop a theory?
3.
Measures of Dispersion
Describing Data
Measures of central tendency are not enough.
How spread out are the data from the mean?
How similar are the observations?
Range and Interquartile Range
Range: distance between highest and lowest scores.
Deceptiv
Measures of Central Tendency
Why Descriptive Statistics?
Descriptive statistic: number that summarizes and
describes characteristics of several numbers.
Helps us understand data.
Concise description.
Inferential statistics: estimate population with sa
Measurement
What is measurement?
Measurement the assignment of numbers to objects.
Agreed upon rules.
Discernible attribute of objects.
Noting qualitative differences is measurement.
Measurement
Active step by the researcher.
Measure is not the conce
Research Designs
What is a Research Design?
A plan.
How to answer research question.
Goal: to aid in drawing sound conclusions supported by
evidence.
Controlled Experiments
Gold standard.
Exposure to experimental variable is controlled.
Findings are u
Causal Relationships
Causality
We want to make general claims: C causes E.
Smoking causes lung cancer.
Rather than,
Bobs smoking caused his lung cancer.
Causality
System uncertainty causes an increase in dispute initiation.
Not: System uncertainty cause
Scientic Method
Goals
Consumer of political science research.
Intelligent consumer of information.
Modern Political Science
Greater emphasis on data collection and analysis.
Criticized as trivial.
Often removes concerns over morality and policy.
Posi
Bivariate Regression
Regression
Move to model building.
Still testing a hypothesis.
Regression
y = mx + b
Linear, deterministic model.
Deterministic: y can always be found if we know x.
Social world is not deterministic.
y = + x + Random Error
Linea
Sabrina James
POLS 3800
Ch. 5 exercises 3-4
9l2LlL5
3a. lnvalidity. The measurement would not be meaningful in the hypothesis testing because the survey
doesn't ask specially what they don't or do approve about the president's performance.
3b. Unreliabili
Sabrina James
9/16/15
POLS 3800
CH. 3 exercises #3-4
3a. The z factor is the size of the fire which increased the number of fire fighter and increased the
damage.
3b. The z factor is the lack of money to finish the race (reckless spending) because of the
\s
August 3t,zOLs
Chapter 1 Exercises #4, 5, 6, & 8
POLS
3800: lntro to Political Science
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t/
4.
When the economy is preforming poorly the incumbent will suffer his or her chances of winning the
election.
5.
1s clairn: Countries in which people ha
POLS 3800 Fall 2015
Dr. Daniel Young
Friday, December 12, 2015
Explaining Variation in the Attitude towards the United States
The United States of America goes by many names. Expressions like the land of the free and
the American Dream, paint the US to be
Mckensy Kudary
002-06-9575
Writing Assignment #1
Rick Jervis of USA Today wrote an article discussing the maternal death rates of
Texas. As defined by the World Health Organization, maternal mortality is the death
of a women while pregnant or within 42 da
Pols 3800: Chapter 2 Exercise
2. The gross government debt as a GDP percentage fluctuates because of the
economy. If the economy is doing well, then the gross government debt will be lower.
If the economy is going through a recession, then the debt will b
Nicole Chen
Chapter 9 Exercises
5. Dependent variable (y): avg teacher salaries
Independent variable: college degree
Model A: teacher salary= + (percentage with college degree)
Standarded error = 140.22
States with more college degrees receive a higher in
Practice Problems
1. A six-sided fair dice is rolled 600 times, and we calculate the mean of this distribution to be
3.47. We then calculate the variance and take the square root of this number to get the
standard deviation in the sample, which equals 1.7
Independent work
Topic: Lenins revolutionary
communism
Group: BBA-015
Students: Tural Dadashev, Amrah
Aliyev
Instructor: Mehriban Kerimli
Lenins revolutionary
communism
Russia in the early 20th century was an unlikely setting for the proletarian revolutio