babbie chapters 1-2
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Research Design & Data AnalysisResearch Design & Data Analysis
Babbie, Chaps.1-2Babbie, Chaps.1-2
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Chapter 1:Chapter 1: Knowing thingsKnowing things Not so much aboutNot so much about whatwhat we know, butwe know, but HOWHOW we knowwe know
perceptionperception
Most of what we know is matter of belief and agreementMost of what we know is matter of belief and agreement ““Everybody knows that…”Everybody knows that…”
But everybody “knew” the world was flat onceBut everybody “knew” the world was flat once
Other way of knowing…direct experience, observationOther way of knowing…direct experience, observation But when experience conflicts with agreement…But when experience conflicts with agreement… There is good chance that we’ll surrender our experience in favor of agreementThere is good chance that we’ll surrender our experience in favor of agreement
Methodology: special approach to inquiryMethodology: special approach to inquiry The science of finding outThe science of finding out How social scientists find out about human social lifeHow social scientists find out about human social life
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Errors in inquiryErrors in inquiry Inaccurate observationsInaccurate observations
Most daily observations are casual… not preciseMost daily observations are casual… not precise Scientific observation is a conscious activityScientific observation is a conscious activity Ex: instructor’s clothes; football tossEx: instructor’s clothes; football toss
OvergeneralizationOvergeneralization Assuming that a few similar events are evidence of a general patternAssuming that a few similar events are evidence of a general pattern Scientists guard against this by REPLICATION of inquiryScientists guard against this by REPLICATION of inquiry
Selective observationSelective observation We assume a pattern exists then focus on future events that fit the patternWe assume a pattern exists then focus on future events that fit the pattern
Illogical reasoningIllogical reasoning ““Exception that proves the rule”Exception that proves the rule” WHAT?...how can that be logical?WHAT?...how can that be logical?
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Foundations of social science:Foundations of social science:
logic and observationlogic and observation Theory, not philosophy or belief Theory, not philosophy or belief
Social theory has to do with what is, not with what should be...not so for manySocial theory has to do with what is, not with what should be...not so for manycenturies.centuries.
Science cannot settle debates about valuesScience cannot settle debates about values
Social regularitiesSocial regularities Social affairs do exhibit a high degree of regularity, despite exceptionsSocial affairs do exhibit a high degree of regularity, despite exceptions
Aggregates, not individuals Aggregates, not individuals Regularities that social scientists study generally reflect the collective behavior Regularities that social scientists study generally reflect the collective behavior
of many individualsof many individuals
A Variable Language A Variable Language Attributes: characteristics or qualities that describe an objectAttributes: characteristics or qualities that describe an object Variables: logical groupings of attributesVariables: logical groupings of attributes
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Variables are sets of related values or Variables are sets of related values or
attributesattributes
Variable Attribute
Age Young, middle-aged, old
Gender Female, male
Occupation Plumber, lawyer, data-entry clerk…
Race/Ethnicity African-American, Asian, Caucasian, Latino…
Social Class Upper, middle, lower…
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Illustration of relationship betweenIllustration of relationship between
two variablestwo variables
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Independent and DependentIndependent and Dependent
VariablesVariables
Two concepts are implicit in causal or deterministicTwo concepts are implicit in causal or deterministic
modelsmodels
A dependent variable “depends” on an independent A dependent variable “depends” on an independentvariablevariable
That is, a change in the independent variable willThat is, a change in the independent variable willproduce a change in the dependent variableproduce a change in the dependent variable
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Dialectics of Social Research:Dialectics of Social Research:
Inductive and Deductive TheoryInductive and Deductive Theory
InductiveInductive Reasoning that moves from the particular to the general...Reasoning that moves from the particular to the general...fromfrom……
1.1. a set of observationsa set of observations to…to…
2.2.
the discovery of a pattern that represents some degree of order amongthe discovery of a pattern that represents some degree of order amongall the given eventsall the given events
DeductiveDeductive Reasoning that moves from the general to the specific...Reasoning that moves from the general to the specific...fromfrom……
1.1. a pattern that might be logically or theoretically expecteda pattern that might be logically or theoretically expected to…to…
2.2. observations that test whether the pattern actually occursobservations that test whether the pattern actually occurs
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Dialectics of Social Research:Dialectics of Social Research:
Quantitative and Qualitative DataQuantitative and Qualitative Data
Most simply put, difference is the distinction betweenMost simply put, difference is the distinction betweennumerical and non-numerical datanumerical and non-numerical data
Every observation is qualitative at the outsetEvery observation is qualitative at the outset We quantify it to make it easier to aggregate, compare and summarizeWe quantify it to make it easier to aggregate, compare and summarize
the datathe data Use Babbie example re: age, . p 24 (“older than his years”)Use Babbie example re: age, . p 24 (“older than his years”)
Both types of data are useful and legitimate in socialBoth types of data are useful and legitimate in social
researchresearch
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Pure & Applied ResearchPure & Applied Research
Knowledge for knowledge’s sakeKnowledge for knowledge’s sake
Example of Egyptian sociologist whoExample of Egyptian sociologist whowrote about regimes who groom sonswrote about regimes who groom sons
for power---NOT allowedfor power---NOT allowed
Different circumstances in policyDifferent circumstances in policy
research in SUAPP, but effort isresearch in SUAPP, but effort is
directed at informing public policydirected at informing public policy 10
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Macrotheory and MicrotheoryMacrotheory and Microtheory A distinction that cuts across many paradigms A distinction that cuts across many paradigms
MacrotheoryMacrotheory Study of society at large or large portions of itStudy of society at large or large portions of it
Ex:Ex: struggle between economic classes; interrelations amongstruggle between economic classes; interrelations amongmajor institutionsmajor institutions
Deals with large, aggregate entities of societyDeals with large, aggregate entities of society
MicrotheoryMicrotheory Deals with issues of social life at the levels of individuals andDeals with issues of social life at the levels of individuals and
small groupssmall groups Ex:Ex: dating behavior; jury deliberationsdating behavior; jury deliberations
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Elements of Social TheoryElements of Social Theory
Law:Law: universal generalization about classes of factsuniversal generalization about classes of facts
Ex:Ex: law of gravity—bodies are attracted to each other inlaw of gravity—bodies are attracted to each other inproportion to their mass and in inverse proportion toproportion to their mass and in inverse proportion to
their distancetheir distance
No social scientific laws that claim universal certaintyNo social scientific laws that claim universal certainty
Theory:Theory: a systematic explanation for observations that relatea systematic explanation for observations that relate
to a particular aspect of social life...to a particular aspect of social life...
For example someone might offer a theory of juvenileFor example someone might offer a theory of juveniledelinquency, prejudice, homelessness, politicaldelinquency, prejudice, homelessness, politicalrevolutionrevolution
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Elements of Social Theory,Elements of Social Theory, p.2p.2
Proposition:Proposition: specific conclusions about the relationships amongspecific conclusions about the relationships among
concepts that are derived from axiomatic groundworkconcepts that are derived from axiomatic groundwork
Hypothesis:Hypothesis: a specified testable expectation about empiricala specified testable expectation about empirical
reality that follows from a more general propositionreality that follows from a more general proposition
Research is designed to test hypothesesResearch is designed to test hypotheses
Null hypothesisNull hypothesis suggests that there issuggests that there is NONO relationship among therelationship among thevariables under studyvariables under study
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Traditional model of scienceTraditional model of science TheoryTheory
OperationalizationOperationalization Specification of the exact operations involved in measuring a variableSpecification of the exact operations involved in measuring a variable
For the researcher testing an hypothesis, the meaning of variables isFor the researcher testing an hypothesis, the meaning of variables isexactlyexactly andand onlyonly what thewhat the operational definitionoperational definition specifiesspecifies
Must be specified with clarity in a way to make observation precise andMust be specified with clarity in a way to make observation precise andrigorousrigorous
ObservationObservation Systematic and rigorous gathering of data to test the hypothesisSystematic and rigorous gathering of data to test the hypothesis