Feb 25, 2008 Hypothesis o To use deductive reasoning, first state a hypothesis that is derived from propositions presented in a theory o A statement about what you expect your data to show, based on t
SOCI301Exam1StudyGuide
Can you complete these practice problems from Weinstein?o Quiz 1
problems 1, 2, 7 (just think about IV and DV), and extra credit o Quiz 2
problems 1, 2, 3, and 7o Quiz 3 problem
From Operationalization to Levels of Measurement This is important when we start doing statistics! Four levels of measurement o Nominal: no mathematical interpretation or order (e.g. gender, religion,
March 7, 2008 From Operationalization to Levels of Measurement This is important when we start doing statistics! Four levels of measurement o Nominal: no mathematical interpretation or order (e.g. g
March 5, 2008 Conceptualization and measurement Concepts o Concept a mental image that summarizes a set of similar observations, feelings, or ides o Conceptualization the process of specifying what
March 3, 2008 Qualitative compared to quantitative data analysis Qualitative Quantitative Focus on meanings Focus on quantifying social phenomena Collection of many data on a few cases Collection of
Feb 29, 2008 Basic steps in field research o Entering the field o Developing and Maintaining relationships o Sampling people and events o Collecting data Entering the field o Read about the setting
Feb 27, 2008 Qualitative research Three major designs o Participant observation Develop sustained relationship with people while they go about their normal activities o Intensive interviewing Open-
Feb 20, 2008 The process of doing social science research o Writing research questions o Questions about some aspect of society that you seek to answer by collection and analysis of data Many possibl
Feb 18, 2008 Avoids errors in reasoning through use of good research methods I o Reduce likelihood of overgeneralization, when we conclude that what we have observed to be true for some cases is true
Feb 15, 2008 Chapter 1 Science, society, and criminological research Process of doing research; conducting research Talk about why we do social science research? o Better understand experiences of oth
May 16, 2008 Multiple Regression Controlling for a third variable o We compare only similar groups o We remove the influence of a second independent variable o We can control for several variables at
From Operationalization to Levels of Measurement This is important when we start doing statistics! Four levels of measurement o Nominal: no mathematical interpretation or order (e.g. gender, religion,
Sampling, causation and study design
Population and sample o Population the entire set of elements (individuals or other entities) o Sample a subset of elements form the population Sampling overview
SOCI 301 Exam 2 Study Guide
Can you complete the Solution-Centered Applications for chapters 5, 6, 7, and 8
in Weinstein?
How have you been doing on your Babbie Review Questions at the end of each
cha
Chapter 1
Science, society, and criminological research Process of doing research; conducting research Talk about why we do social science research? o Better understand experiences of others o Try to
ANOVA Analysis of Variance
Testing Hypothesis with multiple group means (ANOVA) Why analysis of variance (ANOVA)? o To compare means across more than 2 groups We have a continuous (interval or ratio l
Bivariate correlation and regression are used to investigate how a continuous (interval or ratio level) independent variable (X) and continuous dependent variable (Y) are linearly related. With two va
To compare whether two nominal or ordinal variables are related to one another, we display the data with a cross-tab table and compute a Chi-Square statistic. In the cross-tab, each box containing dat
When using multiple regression, we regress the dependent variable on several independent variables simultaneously. The regression tells us how each independent variable affects the dependent variable
Review for Multiple Regression
You decide to examine in greater detail what may cause individuals to start offending early in life. You believe that parental criminality and failure at school may be i
I. Alpha: the critical region of a probability distribution We know that with a normal probability distribution, values far from the mean are less likely than values close to the mean. We need to esta
When we want to compare means of a continuous variable (measured on either an interval or ratio level) across two independent groups, we perform an independent samples t-test. For example, we may be c
ANOVA
(analysis of variance) tells us whether a continuous (i.e., ratio- or interval-level) dependent variable is related to a nominal or ordinal independent variable. In other words, we have more tha
Survey Research
What is survey research? o Subjects fill out surveys o Advantages: Collect data from many people Collect data from many social settings, on different topics Most popular form of socia
May 14, 2008 Multiple regression Review: Causation o Three general conditions Empirical association Time order Non-spuriousness o The third, non-spuriousness, is important This is why we statisti
May 12, 2008 Regression and Correlation Adding an error term o Our prediction helps, but is far from perfect there is always error involved o A different version of the same equation is: y=a+bx+e o
April 9, 2008 Probability distributions Standard scores o Tell us how far from the mean, in standard deviations, each case is o Negatives are below the mean o Postitives are above the mean If Z=0, t