research designs/lit reviews. experimental methods-advantages allow the researcher control over the...
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Research Designs/Lit Research Designs/Lit ReviewsReviews
Experimental Methods-AdvantagesExperimental Methods-Advantages
Allow the researcher control over the Allow the researcher control over the situationsituation
Allows for more certainty of measurementAllows for more certainty of measurement
Allow for stronger causal inferences- High Allow for stronger causal inferences- High Internal ValidityInternal Validity Control of extraneous factorsControl of extraneous factors
Experimental Methods-Experimental Methods-DisadvantageDisadvantage
Limits to External ValidityLimits to External Validity Subject PopulationSubject Population Reality of SituationReality of Situation Cannot create some circumstancesCannot create some circumstances Demand EffectsDemand Effects
Cannot manipulate all factorsCannot manipulate all factors PersonalityPersonality Ethical ConsiderationsEthical Considerations
Somewhat weak relationship between attitudes Somewhat weak relationship between attitudes and behaviors? and behaviors?
Experiments- When AppropriateExperiments- When Appropriate
When feasibleWhen feasible
When ethicalWhen ethical
When factors of interest are controllableWhen factors of interest are controllable
Public Opinion ChangePublic Opinion Change
Media StudiesMedia Studies
Time SeriesTime Series
Look at cases at multiple timesLook at cases at multiple times
Panel Study- Re-interview same cases at Panel Study- Re-interview same cases at set pointsset points
Presidential ApprovalPresidential Approval Track from 50s to presentTrack from 50s to present Look at Approval rating of president as Look at Approval rating of president as
Dependent VariableDependent Variable Look at fluctuations in other factorsLook at fluctuations in other factors
Time Series- AdvantagesTime Series- Advantages
Causality- follows temporal patternsCausality- follows temporal patterns
Gives best insight into over time changeGives best insight into over time change
Panels- good for understanding changePanels- good for understanding change
Time Series- DisadvantagesTime Series- Disadvantages
Must have data over timeMust have data over time
Consistency of measures over timeConsistency of measures over time
Causality- confusion?Causality- confusion?
Challenge- empirical generalizationChallenge- empirical generalization
PanelsPanels Drop outsDrop outs Systematic bias in sampleSystematic bias in sample LearningLearning
Time Series- When AppropriateTime Series- When Appropriate
When looking at change over timeWhen looking at change over time
When looking at historical eventsWhen looking at historical events
When looking at development processesWhen looking at development processes
When looking at factors that cannot be When looking at factors that cannot be easily manipulated in lab or do not vary easily manipulated in lab or do not vary cross-sectionallycross-sectionally
Cross SectionalCross Sectional
One timeOne time
Look at multiple casesLook at multiple cases
Cases should have variationCases should have variation
Example- National Election StudyExample- National Election Study
Cross Sectional Studies- SurveyCross Sectional Studies- Survey
Random sample of population of interestRandom sample of population of interest
Ideal Sample greater than 500Ideal Sample greater than 500
Fixed questionnaire Fixed questionnaire
Ask all at roughly same timeAsk all at roughly same time
Ideal for public opinion/voting behaviorIdeal for public opinion/voting behavior
Cross Sectional Designs-Cross Sectional Designs-AdvantagesAdvantages
Does not require as much advanced Does not require as much advanced planningplanning
Good for comparing groups of thingsGood for comparing groups of things
SnapshotSnapshot
Cross Sectional Design- Cross Sectional Design- DisadvantagesDisadvantages
Does not work for certain types of Does not work for certain types of phenomenaphenomena
Limited ability to make causal connectionsLimited ability to make causal connections Temporal issuesTemporal issues
Limited number of casesLimited number of cases
Case StudyCase Study
Focus intense study on one caseFocus intense study on one case
Often qualitativeOften qualitative
Challenge- generalityChallenge- generality
SurveysSurveys
More a tool than a design More a tool than a design Randomly select large number of peopleRandomly select large number of peopleAdminister same questionnaireAdminister same questionnaireMay be cross sectional or time seriesMay be cross sectional or time seriesAllows rich data collectionAllows rich data collectionOften most generalizableOften most generalizableExpensiveExpensiveNot socialNot socialInflexibleInflexible
Focus GroupsFocus Groups
4-10 people together 4-10 people together
Have them discussHave them discuss
Relatively unstructuredRelatively unstructured
Advantage- study more social phenomenaAdvantage- study more social phenomena
Generate new ideasGenerate new ideas
Concern- generalizabilityConcern- generalizability
InterpretationInterpretation
Literature ReviewsLiterature Reviews
Survey what has been previously written Survey what has been previously written on your topicon your topicPresent a summaryPresent a summaryUse to generate ideasUse to generate ideasUse to identify gapsUse to identify gapsUse to define conceptsUse to define conceptsUse to generate hypothesesUse to generate hypothesesUse to build your caseUse to build your case
Appropriate SourcesAppropriate Sources
Generally Not Newspaper/Magazine Generally Not Newspaper/Magazine ArticlesArticles
BooksBooks
Scholarly JournalsScholarly Journals
Internet?Internet?
Research StrategiesResearch Strategies
Identify keywordsIdentify keywords Be ConcreteBe Concrete
Use search engineUse search engine Library CatalogLibrary Catalog Academic UniverseAcademic Universe Lexis/NexisLexis/Nexis JstorJstor GoogleGoogle
Research StrategiesResearch Strategies
Search titles/AbstractsSearch titles/Abstracts
Search KeywordsSearch Keywords
Search Full TextSearch Full Text
Link termsLink terms
Exclude termsExclude terms
Pyramid StrategyPyramid Strategy
Identify initial sourcesIdentify initial sources
Look to their literature reviewsLook to their literature reviews
Look up bibliographic citationsLook up bibliographic citations
Read those sourcesRead those sources
Lather, rinse, repeatLather, rinse, repeat
Organizing SourcesOrganizing Sources
Record all information you would need for Record all information you would need for a bibliographic citationa bibliographic citation
End Note/web based programEnd Note/web based program
Keep notes on gist of sourceKeep notes on gist of source
Balance detail with conciseness Balance detail with conciseness
AbstractAbstract
Identify the followingIdentify the following
Hypothesis/research questionHypothesis/research question
Method usedMethod used
Results Results
SignificanceSignificance
Questions it raises/critiquesQuestions it raises/critiques
Organizing For PaperOrganizing For Paper
Make an outlineMake an outline
Plug in sources where relevantPlug in sources where relevant
Use to support caseUse to support case
Make a clear argumentMake a clear argument
Build up to HypothesesBuild up to Hypotheses
Upcoming StuffUpcoming Stuff
Read Chapter 6 Prior to March 8Read Chapter 6 Prior to March 8thth
Revised topic due March 8Revised topic due March 8thth
Study Guide via email prior to March 8thStudy Guide via email prior to March 8th
Midterm March 10Midterm March 10thth